“Heavy” .25acp? Isn’t that a contradiction??
Last year Buffalo Bore came out with two loadings of what they called HEAVY 25 ACP Pistol and Handgun Ammo, saying that it was standard pressure but heavy-for-caliber and which met the FBI penetration criteria. We got some, and decided to do an informal test recently to see if it performed as promised.
First off, .25acp is not my preferred choice for a self-defense round out of any platform. When we tested the cartridge, the available SD ammo all came in at between 60 and 70 ft/lbs of muzzle energy (M.E.) That’s … not much. And penetration tests others had conducted were unimpressive. Sure, a .25 can kill, and Vasily Blokhin executed thousands of prisoners with one (well, several), but that hardly qualifies as self defense. Given the options, I’d almost always pick something better for protection.
But sometimes, you gotta go with what you got. And if all you have is a .25acp, at least you want the best ammo for it. That’s why BB came out with these two new loadings.
Since this was just an informal test, we only had a radar chronograph, and these two handguns to try:

That’s a Beretta 21A Bobcat on top, and a Bernadelli Baby .25 below it. The Beretta has a 2.4″ barrel, the Bernadelli a 2.0″ one. The Beretta is small, but the Bernadelli is tiny — I could only get my middle finger on the grip, holding the gun between that and my thumb with my index finger on the trigger.
Here’s the ammo:

That’s BB’s 60 gr. Hard Cast FN and the 50 gr. FMJ-RN loads, and you’ll find Buffalo Bore’s claims on those pages for how the loads performed out of four different handguns, including a Beretta Bobcat.
So, how did it go? Pretty well. Here are my data notes:

That’s an average of 841fps for the Hard Cast out of the Beretta, and 758fps out of the Bernadelli. The FMJ was 871fps out of the Beretta and 807fps from the Bernadelli. That’s right in the ballpark of what Buffalo Bore claims. Unsurprising, since Buffalo Bore has consistently performed as claimed, in my experience.
It’s also important to note that both loadings seem to meet the FBI’s penetration protocol. This indicates that it should be lethal if shot placement is good.
.25acp still wouldn’t be my choice for self defense. But particularly with the Buffalo Bore ammo, you could do worse.
Jim Downey
Goodbye Tavor TS12, Hello KS7.
Two years ago, I closed a blog post with this:
Overall, I’m very happy with the Tavor TS12. Altogether I ran about 75 shells through it in an hour, half the light target loads, the other half full-power, high-brass slugs and 00Buck. It’s been decades since I shot a 12 gauge that much in that short a period of time, and my shoulder isn’t the slightest bit sore.
Yeah, the TS12 is a keeper.
Well, it was, up until this week.
Why? What happened?
This:

That’s a friend’s brand-new Kel Tec KS7.
Let me explain: one of the other BBTI guys got this, and brought it out to try … specifically, with 12ga minishells. Both Aguila slugs and Federal 4B defensive loads.
We ran a BUNCH of minishells through it. Not one single misfire, mis-feed, or problem. It just ate ’em all and asked for more. At 25 yards, we shot the sh!t out of targets for the better part of an hour.
And here’s the thing: with the minishells, the gun held 12+1 rounds (12 in the tube, one in the chamber). Recoil was modest, operation was simple and intuitive (as is the case with most pump shotguns), and the basic fiber-optic sight was more than adequate for the distances we were shooting (and for any expected use I would have).
By the time we were done, I knew I wanted one of these, if for no other reason than it would be much easier for my Good Lady Wife to handle if need arose. She had shot the Tavor, but never really took to it, and it was heavier and a little more for her to wrangle than she was really comfortable with.
Now, don’t get me wrong — I like the Tavor TS12. A lot. I still think that it is a hell of a gun, and it handles the full-power, full size 12ga rounds with aplomb. So I had zero qualms about offering it to an old friend, at a decent price, and then rolling that sale over into this:

I could have just kept the Tavor, of course, but I tend to have guns for specific uses, and the 12 shot KS7 filled the same niche as the 15 shot Tavor: home defense. I’ll probably put a light on it, but no optic — it’s just not needed with the standard fiber optic sight — though I may change my mind on that as time goes on. We’ll see.
In looking over reviews of the KS7 before I made the final purchase, one of the things that I read was that while using minishells was fine, loading minishells was a little more tricky than loading standard-sized shells, particularly under stress. And I think that’s a perfectly fair point; loading the slugs in particular was a little tricky.
So my solution will be to load the gun with minishells, but keep standard sized shells in a bandoleer for reloads (if they’re needed). It’s exactly what I planned for the Tavor if I ever needed it, so it’s no change at all for me.
One last thing: why not just get a KSG? That’s the double-tube 12ga predecessor from Kel Tec.
I’ve shot the KSG. Nice gun. But fully loaded, the KSG is closer to the Tavor in terms of weight and overall size. The real advantage of the KS7 is that it is thin, light, and basic. But I think it does come down to personal preference and intended use. YMMV.
Jim Downey
ETA: got a request for pics of the sight on the KS7. Here ya go:



An informal .32 H&R Magnum test, and a lesson relearned.
I’m not a fan of the .32acp for self-defense. But the .32 H&R mag or the .327 Federal mag are both respectable options, even out of a short barrel revolver. Since the 100gr Buffalo Bore Heavy 32 H&R Magnum +P ammo load wasn’t available when we did the .32 H&R tests, we weren’t sure how it would perform. And we decided to do some informal testing to find out, learning another lesson in the process that I thought I’d share.
We had both 5 shot and 6 shot versions of the Charter Arms Undercoverette snub nose:


Charter Arms sometimes has “hit or miss” quality control, but generally they seem to work just fine.
Anyway, we did chrono ammo out of both guns, and it performed in accord with the Buffalo Bore claims on their website:
- 1,054 fps – Taurus Ultra Light 2-inch barrel
That’s right at 250 ft/pounds of muzzle energy. Like I said, respectable. I sure as hell wouldn’t want to be shot by it.
However …

Take a close look at the primers.
Here’s another pic:

See how the primers stick up above the base of the case?
Yeah. Those are from the 5 shot version of the revolver. And each time, the primer protruded enough to lock up the cylinder, making the nice little revolver into a single-shot gun. And it happened every time.
It did not, however, happen with the 6 shot version. Same ammo. Same box. Completely different results. Oh, they chrono’d the same. But in one gun they rendered the firearm completely non-functional after the first shot.
So, the lesson: ALWAYS TEST YOUR CARRY AMMO IN YOUR CARRY GUN.
Yeah, I know you probably know this. I certainly know it, and always tell people to do it. But I’ve rarely seen such a clear object lesson showing it.
Why the difference? I don’t know. Could be that the recoil impulse in the 12oz version (the 5 shot) is just that much more powerful than in the 15oz version. That’s about the only thing I can think of.
Jim Downey
Making a 14th century Hand Gonne
Last Fall I taught a day-long workshop on “Primitive Black Powder Firearms” for the Liberal Gun Club‘s Annual Meeting in Las Vegas. In addition to my own black powder guns, I borrowed a couple of items from friends to help fill out the historical selection, including this very nice reproduction of a 14th century .62 cal cast bronze hand gonne:

I had shot the gun previously with friends, and it never fails to put a smile on people’s faces. It’s so simple: pour gunpowder down the muzzle, roll in a lead ball (tolerances for these guns are very slack, and the ball will roll right back out if you’re not careful), add a little powder to the touch-hole on the top, and light it off when ready. Very basic. Very fun. People in the workshop loved it.
And I decided that I wanted to get one of these for my own collection.
The problem is, they’re almost impossible to find. I spent a couple of months poking around online, asking friends, and the closest I could come were a couple of simple hand gonnes made using steel. Nice, but not what I was looking for.
So I started to think about making my own, and I consulted with an old friend who does bronze casting for his jewelry business. Turned out that it was certainly possible to do such a project, but it was bigger than my friend’s casting set-up could handle. We set aside the idea for the time being.
But I thought some more about it, and figured that such a bronze hand gonne was so simple, that it should be possible to make one without casting. I could order a bar of the appropriate alloy of bronze, have a machine shop bore it out, and do the external work myself. I tried contacting some local machine shops, explained what I wanted done. Most never responded. The ones that did had no interest in the project. I was stymied again.
By then, however, I was invested in the project. Again, I thought through just how basic the hand gonne was, and I figured that if I ordered the correct components, I would be able to make one without a machine shop. In fact, as I thought it through, I realized that it would be possible to make one just using some very basic modern tools which almost anyone would have or could get at a modest price. So I set out to do just that.
And this is the result.
Now, before we go any further, let’s get a few important caveats in place:
- This is a description of how I made a black powder hand gonne for my own use
- I am not recommending that you make a black powder hand gonne
- If you do decide to make a black powder hand gonne, I am not recommending that you make it this way
- Any black powder hand gonne is potentially dangerous, and if you make one, the risk is entirely on you
- A black powder hand gonne is a firearm, and all the rules of safe handling and usage of a firearm apply
OK, we clear about that? Good.
The tools and materials needed.
So, in thinking it through, I decided that the most basic tools needed for this project would be:
- Electric drill with a 1/2″ chuck, misc drill bits
- Hacksaw
- Basic hammer
- Hand sledgehammer or small anvil
- Clamps or vise
- Metal files
- Metal chisel (‘cold chisel’, 1/2″ wide or so)
- Measuring tape/yardstick/square or similar
- Calipers
Now, some additional tools that are common, and which I used to speed up the whole process:
- Belt sander
- Bench grinder
- Dremel or similar rotary tool with various small bits
- Side-cutting pliers
Pretty basic, right? So is the list of materials needed:
- Bronze stock
- Sandpaper (various grades, starting with 60grit)
- 1/2″ iron bar stock
- 3″ common nails (x2)
- Epoxy
- Duct or box tape
- 1.75″ x 48″ hardwood dowel for the stock
- Stain/finish for the stock, if desired
In addition, I used a number of bits of scrap wood, foam, and wood screws I had in my workshop. You’ll see.
Selecting the bronze stock to use.
I knew that historically, early black powder guns were typically constructed of a type of bronze called gunmetal or red brass. This is a bronze alloy containing mostly copper, some tin and lead, and a little zinc. I spent some time looking over modern bronze alloys which were readily available, and settled on “Bearing Bronze 932” as being a reasonable approximation of common gunmetal.
The modern metal industry offers a range of different types of products. What I figured was that I could get a product called “hollowbar”, which is basically a thick-walled pipe. That would allow me to select both the overall diameter and the wall thickness. By choosing a 1.75″ O.D. hollowbar with a 0.625″ I.D., I would get a suitable length of bronze which didn’t need to have a bore drilled into it. In addition, I ordered a length of round bar stock with a nominal 0.625″ O.D. that I could use as a breech plug. Metal prices fluctuate regularly, but I was able to get both pieces shipped for about $160.
Both pieces of bronze arrived. As expected, they were “overcast” — meaning that they were slightly larger than the specs given. The hollowbar was 13″ long, and the bore down the center of it was at 0.585″. The round bar stock was likewise 13″, and the O.D. was 0.675″. That meant that I would need to ream out the bore to .62 cal and shave down the bar to fit the finished diameter of the breech.

Reaming out the bore.
I didn’t order a solid length of bar stock because that would have required that I have the ability to drill out the bore. Even making a smooth-bore hand gonne (with no rifling) would present a substantial technological challenge which would have required, at a minimum, a floor-mounted drill press if not an actual metal lathe.
However, by ordering the hollowbar, I would already have the basic geometry of the hand gonne provided. The hole down the center would already be established. It would just be a matter of getting the bore to the correct diameter to handle a .62 cal lead ball.
To do this, I decided that the best approach would be to use a length of 1/2″ iron rod (called a mandrel) with a piece of sandpaper at the end, driven by the hand drill. It would take time, and require frequent changes of the sandpaper, but it would give me the ability to ream out the bore with a reasonable amount of control.
This is easy to do. You just use one piece of tape applied to the back of your piece of sandpaper, with a tab of about an inch protruding past the edge of the paper. Then you apply another piece of tape to the tab, and use the overhang to secure it to the mandrel. Like so:


The next thing I needed to do is secure the hollowbar stock so that I could spend time reaming out the bore without the stock moving. I decided to make a simple sandwich of scrap wood, dense foam, and screws to hold everything in place:


Then it was just a matter of reaming out the bore slowly, frequently stopping to change the sandpaper, dump out the waste material, check the progress, and let both the drill and the hollowbar cool down. It took a total of about 8 hours over four days to do this.

But, in the end, a .62 cal lead ball would pass freely through the length of the hollowbar:
Now, one thing I want to note: when you repeatedly insert a mandrel with sandpaper from one end, that end will tend to get over-reamed. So I was careful to consistently do this from the end of the hollowbar that I intended to be where it would be mounted to the wood stock later (i.e.; not the muzzle end).
Making the socket.
The hand gonne would need to be mounted to a stock of some kind. Historically, these seem to have been just a simple stave of wood, with the hand gonne stuck on the end. That was also the style of the others I’d seen in person, so it was what I decided to do.
There were a number of ways that such mounting could be accomplished. I considered the options and settled on just creating a hollow at the end of hand gonne that would accept about a 2″ deep piece of the stock.
Therefore, to make the socket, I needed to remove additional material to a depth of about 2″. To do this, I used a drill with a 5/32″ bit (marked with tape to a 2″ depth) to create a starting set of holes in a circle:


Then I went to a 1/4″ bit to remove more of the bulk:

After this, I used the cold chisel to start to cut through the remaining material:

And then the Dremel rotary tool with a steel carving tip to remove the rest of the bulk and thin down the sides some:


I wasn’t worried about it being perfectly symmetrical or smooth at the bottom, since these areas would be hidden by the stock.
Making and installing the breech plug.
Since I was starting with a length of hollowbar, which had a hole down the center of the entire length, I needed to close up and secure the breech of the gun. The historic models and modern versions which are cast just have a closed-off breech to start with, so this step isn’t necessary.
Black powder is a low-pressure propellant, and I could have probably just gotten away with inserting a tight plug of bronze and then mounting the hand gonne to the stock. But I wanted something that would be more secure. More secure, yet still low tech (no brazing or anything). I decided that a couple of mild steel rivets through the outside of the hand gonne, and through the plug to the other side, would be sufficient. But this meant that the plug would need to be long enough put a couple of rivets through. I settled on a 2″ plug.
Using the calipers, I checked the bronze rod, and confirmed that it was larger than what I wanted. I also checked by trying to insert the end into the breech end of the hand gonne, just to be safe. It was still 0.675″, so I needed to file/sand it down:

Checking frequently, I continued that until the rod would barely start to insert into the breech. Then, using the hacksaw, I cut off a 2″ long piece of it:

I did some additional sanding, then inserted it, first by hand, then using the hammer and the iron rod I’d used as a mandrel to ream out the bore:


Shaping the outside.
OK, first things first: at this point, you could rivet the breech plug in place, drill the touch-hole, mount the hand gonne, and use it. The shaping I’m about to show/discuss is not necessary to having a functional black powder firearm.
But the historical record shows that most of these were shaped and/or decorated in some fashion. Likewise most of the reproductions I’ve seen. I decided to do something similar to the design of the one my friend owns, though going with an octagon form rather than a hexagon one.
Why bother? Mostly just for aesthetic reasons. But also, the entire bulk of the hollowbar isn’t necessary for the hand gonne to be strong enough to function. You do want to have some extra bulk/strength to contain the primary explosion of the black powder, in the area that is called the “chamber”. But as the lead ball/bullet starts to move down the barrel, the pressure drops off quickly. Meaning that the barrel walls don’t need to be quite so thick/strong. By removing the excess, you can cut down on the weight of the hand gonne by about a third. I also decided that I liked the flare at the muzzle often seen on these guns, and thought it would help connect it visually to that history.
Since the final shape of the hand gonne is largely an aesthetic decision, what follows is just a quick photo-essay of the steps I took to come up with my preferred design. Also, while I started out using a file, I almost immediately shifted over to using a belt sander to get the overall shape, then a bench grinder to rough out the barrel, followed by more use of the belt sander. Basic shaping was done using a 60grit belt, then finished with a 150grit belt.
First, I marked the end of the muzzle with the basic shape I wanted:

Then I put it back into the trough to hold it in place:

I chose an octagon shape for a simple reason: it would be easier to keep it aligned in the trough while working.


Once the overall shape was defined, I started to cut down the barrel bulk:




This all actually went faster than I expected, just a couple hours work with the belt sander & grinder, with frequent stops to check dimensions with the calipers.



Securing the breech plug and drilling the touch hole.
Once I had the exterior shape mostly finished, it was time to secure the breech plug with a couple of mild steel rivets and drill the touch-hole (how you fire the hand gonne).
The first step was to carefully measure and mark the locations of the rivets and the touch-hole. I did this by using a dowel from both the back of the socket and from the muzzle. I wanted the rivets to be evenly spaced about 1/3 the way from the front and the back of the breech plug, and the touch-hole to be positioned so that it was just in front of the breech plug.
Using a Sharpie, I marked the location of each of the holes. First I used a 7/64″ bit and drilled the touch hole, centered on that face of the octagon and angling slightly back into the chamber for the black powder. This would tend to force the jet of hot gas forward away from the shooter when the gonne was fired. I used a larger drill bit to start a larger hole just on the surface — the beginning of a simple ‘pan’ to hold a small amount of black powder.
Then I selected a drill bit the same diameter of the 3″ nails I was going to use for the rivets, and drilled through the exterior of the hand gonne, the breech plug, and out the other side of the hand gonne:

Next I used the Dremel tool with a small grinding head to deepen the ‘pan’ and slightly counter-sink the holes for the rivets. I cut off the head of the nails, and inserted them through the holes, cutting them off with about a 1/8″ protruding from either side. Then these were hammered (with a hand sledge under them, though if you have an anvil that will work better) so that the mild steel filled the counter-sunk area:


Next I dressed those areas again using the belt sander and 150grit paper:


Shaping and mounting the stock.
I’d hoped to find a suitable length of oak, ash, or hickory to use as the stock. I settled for a 1.75″ x 48″ poplar dowel I was able to select at a local lumbar yard.
The first thing was to shape the end to fit the socket:

Once I had it so that it fit, I needed to secure it. I decided that normal 5-minute epoxy would be sufficient for this purpose. So I did some additional undercutting of both the dowel and the socket walls (so that the epoxy would fill in those, and couldn’t just pull loose). Then I mixed the epoxy, poured it into the socket, and shoved the dowel into place. To hold everything in place for the 24 hours needed to let the epoxy cure, I used this high-tech set up:

Surprisingly, this worked, and the dowel rod was almost perfectly straight off the back of the hand gonne.
I had debated whether or not to leave the dowel round, or to put partial flats on it, or what. But once the epoxy had set, the round dowel just didn’t feel right, so I decided to go ahead and use the belt sander to shape the dowel into the same shape/dimensions as the hand gonne:


If you look carefully, you can see the slight skew of the hand gonne off to the left. It’s only 3 or 4 degrees, and really isn’t noticeable when you actually hold the thing, but it is there. I decided not to worry about it.
I wanted to have some basic surface protection for the stock, so used some dark walnut colored Danish Wood Oil I had available:

Proofing the hand gonne.
The usual recommended procedure to test a home-made black powder firearm for safety is to take it to the range, put a double load of powder into it with a lead ball, secure the firearm, and then fire it from a safe distance using a string or fuse or whatever is necessary. I’d ordered in some cannon fuse for just this purpose.
I got out to my range on a cool Friday morning, when I was reasonably sure that no one else would be there. I wanted to avoid putting anyone else at risk, on the off chance that my project didn’t work out and wasn’t safe. That is, if the thing blew up, I wanted everyone else to be clear.
I set up a large sheet of cardboard (about 2×4′), about 7 yards from the gonne. I put in 120gr of FFg black powder, twice the standard load I’ll shoot out of the thing, along with a .62cal lead ball (345gr). I then laid the gonne down on a picnic table, with a fold piece of cloth under the muzzle end to maintain a slight elevation. Then I positioned my black powder range box (minus the black powder casks) balancing on the stock just behind the gonne as a protective barrier. I positioned my usual range bag on the back of the stock to help hold it in place. And I set up an inexpensive mirror and my smart phone so the phone was protected but would record the first firing of the gonne. Like this:

I cut a 6″ length of cannon fuse, inserted it into the touch-hole. I started the camera recording, then lit the fuse. Then got about 10 yards away, on the other side of my vehicle. And this is what happened:
And here the relevant bit is in slow-motion (1/8th normal speed):
Mwahahahahaha! It works!!!
Here’s where the first shot hit:

Not bad! It was time for the second shot, using a normal charge of 60gr of FFg black powder:
I was stabilizing the gonne with one hand, while filming with the other. There was a decent amount of recoil, even with the standard charge.
I went ahead and shot it a third time, again with a normal charge, but this time holding it and shooting it as I normally would. Again, I noticed a fair amount of recoil, even given the substantial weight of the whole thing (I’d guess ~10 pounds or so). But it’s not the sort of thing that most people would mind at all.
And all three shots hit in roughly the same place at 7 yards:

Not bad.
Given the very basic design of this thing, it’s still respectable in terms of control and power. I didn’t chrono it, but based on previously checking black powder guns, I’d guess that the .62 ball was probably traveling about 800fps. That gives a muzzle energy of about 500 ft/lbs, or about what a modern .40S&W handgun would get with typical loads. In other words, it’s an effective weapon, at least at moderate range. Not bad for a technology that is almost 700 years old.
Conclusions.
To repeat myself from the start:
- This is a description of how I made a black powder hand gonne for my own use
- I am not recommending that you make a black powder hand gonne
- If you do decide to make a black powder hand gonne, I am not recommending that you make it this way
- Any black powder hand gonne is potentially dangerous, and if you make one, the risk is entirely on you
- A black powder hand gonne is a firearm, and all the rules of safe handling and usage of a firearm apply
But, after the ‘proof’ shot, I did a close inspection of the hand gonne. There were no signs that anything had shifted or been stressed. Same thing after the two subsequent ‘normal’ charges were shot. So my conclusion is that the gonne is safe, though of course I will keep a close eye on it going forward.
And overall, I’d have to say that the project was a success. It is possible for an average person, using common, non-specialized tools and a little ingenuity, to make their own reproduction 14th century hand gonne with modern materials. My total cost out-of-pocket for this project was under $250, and now I have a couple new tools as well as the gonne.
Thanks for coming along for the ride. Feel free to share.
Jim Downey
Lookin’ Sharp(s).
As anyone who has read much of this blog probably knows, I (and the other BBTI guys) like weird guns. Anything that is innovative, or unusual, or uses a transitional technology, is likely to catch my eye.
One of those I got to try this past weekend is a reproduction Sharps Pepperbox. It was designed by Christian Sharps (of Sharps Rifle fame) in the middle 1800s , and proved to be a popular little hide-away gun in early .22. .30, and .32 rimfire cartridges.
In the 1960s Uberti produced a little .22short reproduction with a brass frame and plastic grips. Here’s one recently listed on Gunbroker which has an excellent description of both the reproduction and the original: Uberti Sharps Pepperbox 4 Barrel Derringer.
And here are some pics of the one we shot this weekend:




As you can see, the barrel assembly just slides forward to allow access to the breech. You put the hammer at half cock, then depress the button latch at the front of the gun, and it slides forward. Then you can drop four rounds of .22short into the barrels:


The assembly then just slides back into position, and locks. When you draw the hammer back, the firing pin (mounted on the hammer) rotates one-quarter of the way around, to strike each cartridge in turn.
Though a modern .22short has a surprising amount of energy, out of such a short barrel you’re looking at a modest 40-50 ft-lbs of muzzle energy. Would I care to be shot by one, let alone 4? Nope. And even the original loads using black powder, which would probably generate no more than about half that M.E., such a little hide-away gun would likely give a person on the other end of the barrels pause, because the risk of disability or death from infection would be significant.
Shooting the pepperbox was easy, and had no perceived recoil. Hitting a target at more than about five or six feet was another matter. Most of us tried it at about 10′, and were lucky to get one or two rounds into a 8″ circle. You might be able to improve on that with practice, but still, this was a gun meant for up close use:

It really is a cool little design, and a fun range toy. Shoot one if you ever get the chance.
Jim Downey
I really didn’t want to write this post.
It’s been a kind of rough year, what with the Covid-19 pandemic and all. So I’ve been inclined to cut people some extra slack. Because normal business operations have been disrupted, everyone is dealing with a lot more unexpected stress in their lives, et cetera. But after five months of back & forth, of repeated promises unfulfilled, and a complete failure to respond to reasonable requests, I feel like I need to let the shooting community know about a major disappointment I’ve experienced with an ammo manufacturer.
At the end of February I wrote about a problem I’d discovered with some Corbon .44 magnum ammo. You can find the entire post here:
What a difference just an eighth of an inch makes.
Well, as I said in that post:
Now, the folks at Corbon are smart. I’m sure their engineers actually tested this ammo in some typical .44magnum revolvers. But all it would take is for slight differences (think a couple thousandths of an inch) in the rate or position of that chamber tapering from manufacturer to manufacturer to cause this problem. Chances are, they just didn’t test it in a Taurus .44 of this model, or a Colt Anaconda. It is also possible that this batch of bullets (all five boxes I got are from the same lot — I checked) is just slightly out of spec, but no one has yet noticed it in their guns, because the tolerances in other manufacturers are a little bit different.
Either way, I’m fairly sure that I could just take some sandpaper or a fine file to that slight swelling on the bullets, and they’d fit right into my gun. But first I’m going to wait and see whether I hear back from Corbon about this issue (yeah, I sent them an explanatory email a couple days ago).
I heard back from them shortly after that. I sent them the blog post. We talked. They asked me to return the entire batch of ammo (a total of 5 boxes) so they could examine it, and sent me a shipping label. I did so in the beginning of March.
They got the ammo. I called them again, and they said that they were going to check it all against their quality control protocols, and promised to get me replacement ammo ASAP.
Well, then things went to hell with Covid. Next time I chatted with them, I was told that they needed to see if they had a different lot of that particular cartridge they could send me as a replacement, but that someone would be in touch with me within a few days.
Well, I didn’t hear anything for a couple of weeks. So I followed up. After some more back & forth I was again promised that I would soon get replacement ammo.
Again, I didn’t hear anything for a couple of weeks, and no replacement ammo was sent. I tried calling and leaving messages. I used the “contact us” feature off the Corbon website. I emailed. No response.
I waited another five or six weeks. Finally, the beginning of June I sent an email to the contact person, and here’s the relevant excerpt:
I wanted to follow up to this with an email, because while we’ve talked about the matter multiple times over the intervening three months, each time I’ve been promised someone will get back to me with either information or replacement ammo, nothing has happened. I understand that the disruptions caused by Covid-19 have thrown a lot of things off schedule, but I would like to get this resolved.As we’ve discussed, I returned five boxes of Corbon 165gr .44mag ammunition in March for your examination as to why the ammo would not properly load in either a Taurus or Colt Anaconda .44mag revolver. Full details on the problem I encountered is discussed in the blog post linked in my original email below.At this point I’m no longer concerned with replacement of the exact type of ammo. If you’ll just ship me five boxes of your premium defensive ammo in any of the following calibers, that will be satisfactory enough:
- 9mm
- .357 magnum
- .44 magnum
- .45 Super
Well, I’ve never heard back from them.
And that surprises me. Because I identified that I was with Ballistics By The Inch, which is kinda well known in the firearms/ammunition industry. So while I don’t expect special treatment, it’d be foolish for them to treat me poorly. But they have.
And if they’re going to treat me that way, how do you think they’ll treat you? I sent them the ammo and information so that they could improve their product, possibly avoid a lawsuit related to manufacturing flaws, and they stiff me on the replacement ammunition.
Please share this information with others who maybe want to know that. Thanks.
Jim Downey
What a difference just an eighth of an inch makes.
Recently I came across on a surprisingly good deal on a Taurus Tracker .44mag snubnose. This one:
Taurus isn’t my first choice of firearm brands, but I’ve owned them and generally liked them, and the price on this one was a little too good to pass up. So I got it, figuring that it would be an interesting addition to my collection, occasionally using it as a carry gun.
After shooting it with a variety of .44special and .44mag loads that I had on hand, I decided that what I wanted to use as a carry ammo was something we’d tested: Corbon’s 165gr JHP. The lighter weight bullet would mean a lower felt recoil. And I knew how it would perform out of a short barrel, and estimated that I would get about 1150fps and just under 500ft/lbs of muzzle energy from the round. I checked locally, and the ammo wasn’t available, so I ordered in five boxes from a source online.
When it arrived, I did the logical thing and inserted five rounds into the Taurus, then closed the cylinder.
Er, make that I *tried* to close the cylinder. Because it wouldn’t. Huh?
I examined the gun. I had not noticed that the cartridges hadn’t gone completely into the chambers. The rims of the cartridges were all about 1/16th inch out. Oops. That was a mistake on my part — I should have been paying closer attention when handling the new untested ammo, rather than just assuming that it would load properly. This is what it looked like after I removed one cartridge for contrast:
Even lightly tapping the cartridges wouldn’t get them to load properly (where the rim is down on the rear cylinder face). I removed the rest of the cartridges, examined the gun to make sure everything was otherwise functioning properly. It seemed to be. I looked over the cartridges, and they seemed to be fine, as well. So I got a couple of different .44 loads — a mix of .44sp and .44mag — and put them into the cylinder. They all loaded just fine, the cylinder closed, and there were no problems. Here are a Hornady and a Winchester .44mag round in the cylinder, with one of the Corbon; note the difference:
Hmm.
Next, I got my Colt Anaconda .44 out of the safe. I tried the same ammo in it, and this is what I found:
Exact same problem. So, presumably, it was the Corbon ammo. I removed the rounds from the gun.
And grabbed my digital calipers. I started checking all the dimensions on the Corbon ammo. In fact, I went through and checked several sample cartridges from all five boxes. As far as I could tell, everything was in spec. The cases were the exact correct length. And width, both at the mouth of the case, along the body, and just above the rim. The bullets were the correct diameter. And the over length of the cartridges was well within the normal range of .44magnum rounds.
WTH?
I set the conundrum aside, so my subconscious could chew it over for a few hours. The likely explanation hit me while taking a shower the next morning. Here, look at the images of the three different rounds mentioned above, and see if you can spot it:
Here’s a hint: the Corbon cartridge is in the center.
Got it?
Yeah, if you look very carefully, you’ll see that the SHAPE of the Corbon bullet is different than the others. Note how it almost swells a bit, going up from the mouth of the case, to about an eighth of an inch, before narrowing down. Whereas the Winchester (on the left) and the Hornady (on the right) both have a smooth ogive right from the mouth of the case until coming to a flat nose (actually, the Hornady, like the Corbon, is a hollow point, but you can’t see that from this image).
So why did this cause the problem?
The explanation requires a bit of detailed knowledge about how a revolver works. If you already know all this, my apologies. For those who may not …
Each chamber in a revolver has to be big enough to accommodate the case of the cartridge. But the bullet is slightly smaller than that, so that it fits inside the cartridge case.
Now, when a chamber on a revolver rotates into position aligned with the barrel, there’s always a chance that it might not be perfectly aligned. Just a few thousandths of an inch misalignment can lead to all kinds of bad things happening, from parts of the bullet being shaved off and spit out the sides of the ‘cylinder gap‘ to the gun going KABOOM in your hand. So revolver manufacturers have come up with two nifty ways to deal with this:
- Narrowing the chamber in front of the cartridge case slightly by tapering it.
- Having a ‘forcing cone‘ before the barrel that is just a little bit bigger than the bullet, to funnel it into the barrel.
So, the problem with the Corbon ammo was that shape of the bullet in the pic above. Note how it doesn’t smoothly curve in like the other two bullets. Rather, that slight swelling is probably hitting the taper inside the chambers, stopping the cartridge from seating properly.
And before you say that this is a problem with the Taurus being poorly made, note that I ran into the exact same problem with my Anaconda — widely considered a very good quality gun.
Now, the folks at Corbon are smart. I’m sure their engineers actually tested this ammo in some typical .44magnum revolvers. But all it would take is for slight differences (think a couple thousandths of an inch) in the rate or position of that chamber tapering from manufacturer to manufacturer to cause this problem. Chances are, they just didn’t test it in a Taurus .44 of this model, or a Colt Anaconda. It is also possible that this batch of bullets (all five boxes I got are from the same lot — I checked) is just slightly out of spec, but no one has yet noticed it in their guns, because the tolerances in other manufacturers are a little bit different.
Either way, I’m fairly sure that I could just take some sandpaper or a fine file to that slight swelling on the bullets, and they’d fit right into my gun. But first I’m going to wait and see whether I hear back from Corbon about this issue (yeah, I sent them an explanatory email a couple days ago).
Oh, one last thing: in the process of going through all of this, I noticed that the cylinder length (from the front face to the rear face of the cylinder) on the Taurus was 1.625″, or 1 5/8″, whereas the cylinder length on my Anaconda is 1.75″, or 1 3/4″ — an eighth of an inch difference. As I recall, 1.75″ is standard for .44magnum revolvers. Interesting that the Taurus is slightly shorter, and that may indeed have had something to do with the shape of the chambers on the gun.
Edited, 2/27: Just a quick note. I’ve had some friends check other brands of .44mag revolvers. Seems that Smith & Wesson makes theirs with a cylinder length of 1.6875″ (1 11/16th”), and Ruger 1.75″ (1 3/4″). So there’s more variation than I thought.
Jim Downey
The Cunningham Speed Strip
Anyone who has considered a revolver as a self-defense option has confronted the question of whether, and how, to carry spare ammunition for it. Loose cartridges are just a pain to deal with, and take forever to reload. Speedloaders are great, but more than a little bulky. Commercial ‘speed strips’ are less bulky, are commonly available at a reasonable price, and are a big improvement over fumbling with loose rounds, but can still be awkward for reloading quickly. That’s because while they hold six cartridges, they’re difficult to position such that you can load an empty cylinder quickly — the close-packed cartridges actually get in the way. One common trick for using a speed strip is to only put two pairs of cartridges in it, with a gap between the two sets and the last position empty — that way, you can always quickly load two sets of two adjacent chambers in the cylinder of your revolver. This technique is perhaps best known due to defensive revolver guru Grant Cunningham.
Well, after recently taking a class with Grant, and learning this technique, I set out to make a more functional speed strip which would completely and quickly reload any revolver. One that almost anyone can make on their own, with minimal tools and expense, and customized to their revolver, whatever cartridge it shoots and whatever the capacity of the cylinder. I jokingly call it the Cunningham Perfect & Adaptable Speed Strip for Any Revolver regardless of Caliber or Capacity. More seriously, I’ll refer to it as the Cunningham Speed Strip, (CSS for short.)
Here some pics of what it can look like:
And this is how you make it.
YOU’LL NEED:
Tools
- A pair of common pliers
- A hammer of almost any type
- A pair of scissors or utility knife
You’ll also need
- A Heat Source (just about anything from a hair dryer to a blowtorch will do — you’ll see)
- An empty cartridge case for your revolver
- A pen or pencil
- A sheet of paper (really, just a scrap)
- A scrap piece of heavy cardboard or wood
- Suitable piece of inexpensive common vinyl (more on this to come)
PROCEDURE:
Select your vinyl. A wide variety of commonly available types of vinyl will work. If you look at the examples above you’ll see a piece from a 1/2″ ID vinyl tube, a piece of vinyl floor runner, and a piece of vinyl sheet used to cover food for microwaving. In other words, a wide variety of vinyl materials are likely to work.
So experiment a little. What you want is to find a vinyl which is flexible (not rigid/brittle) and sufficiently thick to hold cartridges in position, but will easily pull away when you have the cartridges in the chambers of the cylinder. The vinyl tubing is the one I like the most, and is 1/16″ thick. It has a slight tackiness to the surface I like because it makes it easier to use. The vinyl sheet is about one-third that thick, and the vinyl floor runner is somewhere between the two (though a little too flexible for my tastes).
Now, realize that it’s likely that any of these materials will tear after repeated use. These aren’t meant to last forever … but each of my prototypes have held up to at least a dozen uses so far. The idea is that they’re cheap and easy to make and replace.
Cut the vinyl to rough size. You want a working piece that you can trim later. Here’s what the tubing looks like when cutting:
Make a paper template. It’s difficult to mark most kinds of vinyl. So the easy thing to do is to make a paper template of what you want. For a J-frame, you want two sets of paired cartridges and one solo, with gaps in between the sets (as shown). For other guns, you may want a different arrangement. But in each case you want to use your empty cartridge case to draw the position of the circles on the paper. Like so:
Also note that I have a couple of marks showing the approximate ends of the strip. You want a bit of a tab on either end, to make it easy to grab and use the strip. But the final amount (and whether square or rounded off) is entirely up to your preference.
Position the template and vinyl for punching. Here I recommend that you use either a piece of dense cardboard or a scrap piece of wood. You can tape down the template if you want. But position the template, then lay the strip of vinyl on top of it in alignment with the template.
Heat up the case and/or strip. Again, the source of the heat really won’t matter. It can be a heat gun. Or a warm brick. Or a hair dryer. Whatever you have handy. Now, this may not be necessary. With some vinyls, you don’t need to really heat them up. But I have found that it makes things easier if you do, as the vinyl becomes softer and more pliable. And you can see in the image above that I have a .38sp case positioned in front of a heat gun, to make it even easier.
Position the case and strike with a hammer. If you have heated up the case, or if you’re worried about smacking your fingers with the hammer, the easy thing to do is to pick up the case with a common pair of pliers and then hold it in position. Put the mouth of the case over the vinyl/template in the correct position, then hit the case with the hammer.
How hard to hit, or how many times, will depend. But ideally, you want to have the case punch through the vinyl in a clean and complete way, so you have a small disk of removed vinyl left. This is the advantage of using the case instead of trying to cut the vinyl with a knife or drill bit: you wind up with a good clean cut the *exact* size of the cartridge.
Repeat as many times as necessary. Until you have all the holes punched out.
Then trim the strip as desired. Once done, insert loaded cartridges and it’s ready to use.
That’s it!
I thought about patenting this idea, or seeing if I could sell it to some manufacturer. But it seemed like a good thing to just share as an ‘open source’ idea with the firearms/self-defense community so it could be used widely. If you found this instructional post useful in making your own customized speed strips, and would like to contribute a couple of bucks, just send a PayPal donation here: jimd@ballisticsbytheinch.com Proceeds will be shared with Grant Cunningham, who inspired this design.
Jim Downey
A couple of centenarians … in .32 ACP
Happy Anniversary/Birthday! By tradition, BBTI is 11 years old today!
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
I recently got to shoot a couple of very nice little pistols in .32 ACP … which date back to before WWI.
The first was a Sauer & Sohn Model 1913:
The second was a Mauser Model 1914:
I’m not going to try and do an in-depth review of either gun. I didn’t shoot either one enough to really develop a strong opinion, and the two links above go into the history and context of the pistols is detail.
But I am going to say that I was honestly surprised at just how accurate and easy to shoot both of them were. Each one gave me about a 6″ group at 10 yards the first time I shot it, and I was sure that a little practice with either gun would have improved upon that quickly. They both felt comfortable & solid in the hand, easy to hold, easy to shoot.
And, surprisingly, both “spoke with authority”. What do I mean by that? Well, I must admit that I don’t care for the .32 ACP round much, and consider it sub-optimal for self-defense purposes. Out of barrels about this size, you’re only going to get about 125 ft/lbs of energy. Just stepping up to .380 ACP out of a similar sized gun will give you about half again the power … or more.
But when I thought about it, I realized that most of the .32 ACP guns I’ve shot were smaller than these … they were what we would call “mouse guns”, and never felt very solid in my large hands. Neither of these two pistols are “large” — both are about the same size as a PPK — but they really felt like ‘real’ guns. That physical size difference made a big psychological difference for me. Just knowing that I could reliably put rounds where needed matters.
Other factors to consider in understanding these guns in context: when they were made, and for what purpose. At the turn of the 20th century, people were smaller, hence the need for less penetration than is generally considered to be the case today. Medical treatment was both less developed and less available, and there were no antibiotics. This means that even a non-incapacitating wound had a very real chance of being lethal within hours or days — making getting shot something you wanted to very much avoid. While both of these guns did go on to see military service, they weren’t really designed as weapons of war. Rather, they were intended for police and private use, and by all accounts served in these roles admirably.
Given that both guns were over 100 years old, they were remarkably reliable. Between myself and my shooting companions, we put about a box of ammo through each. I don’t recall the S&S having any issues whatsoever, and the Mauser only had a couple of glitches with failure to cycle completely. Since we didn’t take the guns apart for a detail cleaning (though we did a quick inspection to make sure they looked to be in good condition), that could have just been due to build-up of dirt or weak recoil spring. At 61 myself, I sympathize.
Fun guns. If you get a chance, handle and shoot either one. You might be surprised at how much you like it.
Jim Downey
I’m not wild about Wildey …
When you see this tag on a pistol, you know things may get interesting:
Can’t read it? Here’s the text:
CAUTION
This gun is unique in many
ways. Do not handle and/or
fire it without having read
the instruction manual.
If there is anything you don’t
understand, seek advice
from someone qualified in
safe handling of firearms.
Of course, we didn’t have the instruction manual. Details, details.
Here’s the tag in context:
Yeah, that’s a new production Wildey Survivor with a 10″ barrel, in .45 Winchester Magnum. Bit of a brute. Here are some other pics of the one we shot:
The Wildey is one of those interesting experimental guns dating back to the 1970s. It uses a gas-operated system at fairly high pressures to fling a substantial slug at high velocity: the .45 WinMag version we shot is supposed to move a 230gr bullet at about 1,600fps, for about 1,300 ft/labs of energy. Now, that’s about 40% more power than the .45 Super or .460 Rowland cartridges out of a similar length barrel, so it is definitely nothing to sneeze at.
Even more interesting, the Wildey has a collar behind the barrel which allows you to adjust the gas pressure for different loads or to manage recoil while minimizing malfunctions. Well, at least in theory.
Why do I say “in theory”? Well, because in practice the thing was very finicky. Which certainly could have just been a matter of it being a brand-new gun in the hands of inexperienced shooters (well, inexperienced in shooting a Wildey … the three of us shooting it were the BBTI team, and I think it’s fair to say we have more than the typical amount of handgun shooting experience). But check out this video of Ian from Forgotten Weapons putting a Wildey Survivor through its paces and you’ll see what I mean:
He has all kinds of problems with it, rarely getting off two or three shots before experiencing a malfunction. That was exactly our experience with the gun.
Now, I don’t want to give the impression that I hated the gun. I don’t have enough experience with it to have that much of an opinion, having only run a couple of mags through it myself. But all three of us had major problems with the gun, even after we consulted online resources to get tips on managing the malfunctions and tweaking the gas adjustment.
It is a cool, innovative design. It’s very well made. You pick it up, and you know you are holding something high quality. And hey, it was even a movie star. How can you not like that?
But at 4 pounds+ weight, and a substantial grip size, it is, as I said, a bit of a brute. And interestingly, as Ian notes at the end of the video above, the thing is all sharp edges just asking for a blood sacrifice. In fact, the BBTI member who took it home to clean it sliced up his hands while doing so.
An interesting gun. I’m glad I got the chance to shoot it. But I wouldn’t want to own one.
Jim Downey
From Gatling Guns to Laser Pistols.
Again, it’s been a while. Partial explanation towards the end of this post.
So, the BBTI team finally got together to do something we’ve been wanting to do for several years now: shoot a Gatling Gun. Yep, a real, honest-to-gawd Gatling Gun. Well, not an original, but a faithful reproduction of the original 1862 patent version, in .45 Colt. This one:
It’s such an iconic weapon, having been used around the world for about 50 years (from the American Civil War until World War One). And almost anyone who has seen Westerns has probably seen one depicted on the screen. So when the opportunity presented itself to get a fine reproduction one at a reasonable cost, we jumped on it. And last weekend we were finally able to coordinate our schedules to get out to shoot the thing.
But first we had to assemble it, because it breaks down into several components for ease of transport and use. Overall, the whole thing weighs more than 300 pounds. The main element is the barrel & mechanism assembly:
We’ve got a nice tripod to mount and shoot the gun. Here we are assembling that:
On top of the tripod is a pivoting mount, so you can rotate the gun from side to side. Into that goes a yoke mount, to which the gun is secured. Elevation is controlled by an adjustable wheel screw at the back.
The way the gun works (the Wikipedia entry is pretty good, as well) is that you put the cartridges into machined sections of heavy steel tube called a ‘chamber’ (essentially, a section of barrel), and those are placed in a magazine. The magazine goes into the top of the gun, upside down. Each chamber drops into position behind a barrel, then is pressed forward and locked in place as it rotates to the next position. The barrel then rotates again into the firing position, a firing pin ignites the cartridge, and the bullet fires. As the barrel rotates again, the chamber is released, and falls free out the bottom of the gun. This process is repeated for each barrel in turn as long as you turn the crank and there are chambers in the magazine.
Here you can see a test run with empty chambers to make sure everything feeds and falls properly:
Success!
Next, we wanted to make sure that the firing pins were working properly:
After that, it was time to load ammo and give it a try.
I’d loaded 1000 rounds of .45 Colt, using 200gr lead bullets and 6.1gr of Titegroup powder. This is a mild handgun load, but we weren’t looking for a lot of power, just a lot of fun. Still, out of the 30″ barrels we were probably getting about 1,000fps and roughly 450ft-lbs of muzzle energy — a respectable amount of power.
Here’s Keith of the BBTI team giving the Gatling Gun its first live-fire trial;
Yay! It worked!
Soon, I got my turn:
Dude, that’s way cool.
OK, several things we discovered in shooting the Gatling Gun …
One, you quickly realize that once you start turning the crank, you find there’s an optimal speed where it feels easy and consistent. I got there at the end of the video above.
Two, you can go through the 44 rounds that our magazines hold in about 20 seconds when you know what you’re doing.
Three, it helps to have someone actually hold the magazine in position, rather than relying on the small set-screw to hold it.
Four, the gun is surprisingly accurate and consistent. Once we got the hang of it, at 20 yards (the effective distance we had to shoot it), we were all getting paper-plate sized groups. Like this:
Seriously, I was very surprised by this. I expected something more like “minute of cow”. I look forward to shooting it sometime at longer ranges to see just how good you can get with such a gun.
After we all had fun shooting the modern ammo, it was time to try the gun with black powder cartridges. Specifically, 30gr of Goex FFg and the same 200gr lead bullet. I shoot a fair amount of black powder, and know that it can be messy … but man, it was an incredible mess in the Gatling Gun. But it sure was spectacular. Check out the long tongues of flame from this sucker:
And just think about what a battlefield with a bunch of those cranking out rounds would have been like. Blimey.
Now that we’ve finally had a chance to get together for an inaugural shoot of the Gatling, it’s something that each of us is going to take for a while, and share with friends. Look for more coverage of it in the future.
So, what was that about Laser Pistols, and why have I been so absent/quiet here for so long?
Well, about a year and a half ago I got a Glowforge laser cutter, which I mentioned in passing in my post last November. I kinda fell into a deep hole playing with it since then. But it’s all good, because one of the things I have been doing with it is making a whole bunch of handgun display models/art, like this:
That’s one of the 42 contemporary designs I’ve done. I’ve also done a bunch of historical firearms, such as the 1851 Colt Navy Revolver:
And even favorites from various Science Fiction franchises …
The whole thing can be found here: Art of the Gun and I invite you to stop in, check it out, see the many different designs I’ve come up with so far. I’ve just launched the site, but already it is starting to get some positive feedback — so maybe you’ll find something you like there as well.
One last thing: we’re not done with the BBTI project. Something else we did this past weekend was to start talking about future projects related to our ongoing research. It’s too early to say too much, but rest assured that we have more work yet to do, more data yet to gather and share.
Thanks for coming by, and for your ongoing support.
Jim Downey
And then the one day you find, Ten years have got behind you …*
Happy Anniversary!
Yup, the BBTI website launched on Thanksgiving weekend, 2008. That first weekend we had over 300,000 hits, and it’s been something of a roller coaster ever since, with millions of visitors, thousands of discussion threads, and countless references to our data. I can honestly say that we have made a fundamental change to the industry, pushing manufacturers to be more transparent in their claims for ammunition performance and allowing individuals to make better decisions about their purchases.
I recently made custom pistol cases like the one shown above for the four members of the BBTI team using my Glowforge laser. And I’m going to give away one more to some lucky person. Just leave a comment here or on our Facebook page before December 1st wishing us a happy anniversary, and you’ll be entered into a drawing for the case. On the first I’ll draw one name at random and arrange delivery. One entry per person, please.
Thanks to everyone who has posted about us, who has written us, who has made a donation to help support the ongoing costs of hosting our data and making it freely available to all. I try and respond to each message, to thank each contributor, to answer each question, but I don’t always succeed in doing so as quickly as I’d like. And if I have missed you, please accept my apologies.
We don’t have any concrete plans to expand our data at this time, though we’re always happy to get recommendations for new calibers/cartridges to test or ones to revisit. I don’t think that we’re completely finished with the BBTI project, but for right now we’ve all got very busy lives and considerable demands on our time and energy. I hope you’ll understand.
Happy & safe shooting to all —
Jim Downey
*Obviously.
EMP4 can’t handle the pressure.
Earlier this month I took my EMP4 out to the range, and ran into problems documented in this post. My conclusion:
Since I haven’t had any problems with my standard-pressure reloads, I’m assuming that it’s the over-pressure which is causing this problem. Both the Underwood and the BB ammo are *really* hot. But I wanted to check everything out again before shooting the gun any more. If everything looks good, then I’ll start with standard pressure loads and then slowly step up to hotter loads. I expect that will resolve the issue, and I don’t mind carrying SD ammo which is a little less powerful — shot placement is more important than power.
With one thing and another, it’s been a busy month, and I didn’t have a chance to get back out until this morning to test my conclusion. But first I did a thorough cleaning of the gun, pulled the firing pin and examined it closely. One possible problem could have been the firing pin having sharp shoulders, which could have led to it punching too hard into the primer metal. But upon close examination the firing pin looked perfectly normal and very much like every other firing pin I’ve ever seen.
In preparation for going out to the range today, I picked up some additional good self-defense ammo and grabbed a box of standard factory target ammo:
Starting on the top left (all 9mm Luger ammo, of course):
- Hornady 124gr XTP Custom
- Hornady 124gr XTP +P American Gunner
- Hornady 124gr FlexLock +P Critical Duty
- Speer 124gr +P Gold Dot Hollow Point
- Sig 124gr V-Crown JHP
- Remington UMC 115gr FMJ target
I started with the Remington, and ran a couple of mags through the gun, examining it closely between reloads. No problems.
Then I switched over and shot each type of ammo, a full mag (9 rounds), again checking the gun between reloads. It ran absolutely flawlessly with each and every kind. I checked some of the spent cases of each type, and all of them showed a perfectly normal primer strike.
Then I loaded up a mag of the Underwood 124gr +P+ I had shot previously. The first couple of rounds were OK, though I checked the spent cases and saw that the primers were completely flattened — the firing pin strike was still visible, but it was no longer an indentation. That’s a sign of too much pressure in reloads, and something you always check when you’re working up a powerful load. The next shot was similar, but there was a missing disk of metal on the primer, which was stuck on the firing pin of my gun. I popped it off, shot the next round. Same thing happened.
I unloaded the gun and the magazine, put the rest of the Underwood ammo aside. Then I loaded it with the Buffalo Bore 124gr +P+ SD ammo. Basically, the exact same thing happened, though I think I made it through three rounds before the first punched-through primer. Again, I unloaded the gun and the magazine, and set the rest of the Buffalo Bore ammo aside. Again, I checked the gun thoroughly to make sure everything looked right. It did.
Then I went back and tried each of the lower-pressure ammos again. Each again ran flawlessly.
I could do more testing, but I’m convinced: the problem is that the +P+ ammo is just too damned hot for the EMP4. Now, my other 9mm guns do shoot it fine (even the little Boberg, which is really picky about ammo), so I guess I could say that the EMP4 is somehow flawed in design or construction. And if you want to hold that against the EMP4, then go right ahead.
But I’m happy enough with the gun otherwise, and there are plenty of types of good self-defense ammo available which are just a little less powerful. Works for me.
Jim Downey
The curious case of the gun that wouldn’t bark.
Popped out to the range for a brief bit of testing this morning. And found something interesting.
Last time I was out, I ran into a problem with my Springfield EMP4 (9mm, 1911 platform), which I got earlier this year. After a couple of rounds of good Self Defense ammo, I started getting light primer strikes and FTF. When I got home and checked it, I found a small disk of metal stuck to the end of the firing pin, which was preventing getting good strikes. I removed it, cleaned the gun (including the firing pin assembly), tested it with a case which had only a primer in it, and everything looked fine. But of course I didn’t want to trust the gun for carry until I had proven that it was working fine at the range. Hence today’s trip.
Started with my reloads, and everything was fine. Switched to Buffalo Bore 124gr +P+ SD ammo (my preferred carry ammo for most of my 9mms), and the first few shots were perfect. Then I had another FTF. I cleared the gun, checked, and sure enough, there was a small disk of metal on the firing pin again.
Knowing what to expect, I just popped the disk off with a knife, reloaded, and went back to shooting. It happened again after three or four shots.
This time I cleared the gun, popped off the disk with my knife, and switched ammo. I went to Underwood 124gr +P+ ammo, and … yup, happened again. Here’s the gun:
You can see the disk of material stuck to the firing pin.
And I found the brass from that shot and one of the previous ones:
Underwood on the left, Buffalo Bore on the right. You can clearly see the punch through the base of the primer.
Curious.
Since I haven’t had any problems with my standard-pressure reloads, I’m assuming that it’s the over-pressure which is causing this problem. Both the Underwood and the BB ammo are *really* hot. But I wanted to check everything out again before shooting the gun any more. If everything looks good, then I’ll start with standard pressure loads and then slowly step up to hotter loads. I expect that will resolve the issue, and I don’t mind carrying SD ammo which is a little less powerful — shot placement is more important than power.
And ammo that works consistently is the most important thing of all.
Jim Downey
Handgun caliber and lethality.
This post is NOT about gun control, even though the article which it references specifically is. I don’t want to get into that discussion here, and will delete any comments which attempt to discuss it.
Rather, I want to look at the article in order to better understand ‘real world’ handgun effectiveness, in terms of the article’s conclusions. Specifically, as relates to the correlation between handgun power (what they call ‘caliber’) and lethality.
First, I want to note that the article assumes that there is a direct relationship between caliber and power, but the terminology used to distinguish between small, medium, and large caliber firearms is imprecise and potentially misleading. Here are the classifications from the beginning of the article:
These 367 cases were divided into 3 groups by caliber: small (.22, .25, and .32), medium (.38, .380, and 9 mm), or large (.357 magnum, .40, .44 magnum, .45, 10 mm, and 7.62 × 39 mm).
And then again later:
In all analyses, caliber was coded as either small (.22, .25, and .32), medium (.38, .380, and 9 mm), or large (.357 magnum, .40, .44 magnum, .45, 10 mm, and 7.62 × 39 mm).
OK, obviously, what they actually mean are cartridges, not calibers. That’s because while there is a real difference in average power between .38 Special, .380 ACP, 9mm, and .357 Magnum cartridges, all four are nominally the same caliber (.355 – .357). The case dimensions, and the amount/type of gunpowder in it, makes a very big difference in the amount of power (muzzle energy) generated.
So suppose that what they actually mean is that the amount of power generated by a given cartridge correlates to the lethality of the handgun in practical use. Because otherwise, you’d have to include the .357 Magnum data with the “medium” calibers. Does that make sense?
Well, intuitively, it does. I think most experienced firearms users would agree that in general, a more powerful gun is more effective for self defense (or for offense, which this study is about). Other things being equal (ability to shoot either cartridge well and accurately, concealability, etc), most of us would rather have a .38 Sp/9mm over a .22. But when you start looking at the range of what they call “medium” and “large” calibers, things aren’t nearly so clear. To borrow from a previous post, this graph shows that the muzzle energies between 9mm+P, .40 S&W, and .45 ACP are almost identical in our testing:
Note that 10mm (and .357 Sig) are another step up in power, and that .357 Mag out of a longer barrel outperforms all of them. This graph doesn’t show it, but .38 Sp is very similar to 9mm, .45 Super is as good as or better than .357 Mag, and .44 Magnum beats everything.
So, what to make of all this? This claim:
Relative to shootings involving small-caliber firearms (reference category), the odds of death if the gun was large caliber were 4.5 times higher (OR, 4.54; 95% CI, 2.37-8.70; P < .001) and, if medium caliber, 2.3 times higher (OR, 2.25; 95% CI, 1.37-3.70; P = .001).
certainly seems to carry a lot of import, but I’m just not sure how much to trust it. My statistical skills are not up to critiquing their analysis or offering my own assessment using their data in any rigorous way. Perhaps someone else can do so.
I suspect that what we actually see here is that there is a continuum over a range of different handgun powers and lethality which includes a number of different factors, but which the study tried to simplify using artificial distinctions for their own purposes.
Which basically takes us back to what gun owners have known and argued about for decades: there are just too many factors to say that a given cartridge/caliber is better than another in some ideal sense, and that each person has to find the right balance which makes sense for themselves in a given context. For some situations, you want a bigger bullet. For other situations, you want a smaller gun. And for most situations, you want what you prefer.
Jim Downey
Review: Springfield 1911 EMP® 4” Concealed Carry Contour Model
Earlier this year I added this note to my reprise review of the Springfield EMP:
One thing additional to note: recently Springfield came out with a slightly different version of the gun called the “EMP® 4” Lightweight Champion™ with Concealed Carry Contour“. Here it is:
See that cut-off angle on the bottom of the grip? That’s Ed Brown’s “Bobtail” from his Kobra Carry. I haven’t shot the new Springfield version yet, but I really liked how that felt on the Kobra Carry. A friend of mine got one of the new guns, and I look forward to trying it. I could see trading-up from my original EMP for one of those.
Well, last weekend I had a chance to shoot my friend’s gun, and … yeah, baby, I likes it!
OK, first thing: pretty much everything I’ve said about the EMP previously applies to the new 4″ barrel model. Yup: great gun, extremely reliable for me, minimal recoil, fit & finish is fantastic, and I loved shooting it. If you want details, go read that review.
What else to add? Well, here’s the actual gun I shot:
You’ll note that it still has the tag on it — my buddy hadn’t had a chance to shoot it yet, either. So this is straight out of the box, without doing anything other than running a boresnake down the barrel and then taking it to the range.
Unsurprisingly, it shot flawlessly. And dead-on accurate.
The extra 1″ of barrel does help the sight radius some, though I never had any problems hitting my target with my 3″ barrel EMP. And it probably helps tame recoil a bit more with that extra 3.5 ounces of additional weight, though again that wasn’t a problem with the slightly smaller gun.
But what I really like is that Bobtail cut, as I thought I would. Because it meant that the relatively short grip fits my large hand better, without the extra corner digging into the bottom of my palm. Shooting my EMP was never a problem, but this is a whole lot better. It’s like the first time you put on new prescription glasses: suddenly things are better than you thought possible. For someone with smaller hands, it’s probably less noticeable, but for me it was surprising.
The other notable difference between the EMP and this EMP4 is the grips: on the new gun, they’re not as aggressively textured. I thought that it wasn’t *that* big a difference, but it might matter to some folks.
Something to think about. I’m certainly giving serious consideration to trading up from my old EMP to the new one. If I was going to rely on one or the other for concealed carry, I’d probably just keep the 3″ EMP. But for my needs, the new model is probably the right choice.
Gee, it sounds like I’ve talked myself into it …
Jim Downey
Review: Browning 1911-380
Over the weekend I had a chance to try one of the relatively new Browning 1911-380 models. It was one of the basic models, with a 4.25″ barrel:
I like a nice 1911, and have owned several over the years. I even like a ‘reduced’ 1911, such as the Springfield EMP (a gun I still own and love), and I have previously shot the Browning 1911-22 , which I liked quite a lot more than I expected. So I was excited to give the new .380 ACP version a try.
What did I think? Well, I liked it. About as much as I liked the .22 version, though of course the guns are intended for two very different things. I see the 1911-22 as being a great gun for learning the mechanics of the platform, and building up your skill set with less expensive ammo. It’s also a lot of fun just for plinking, as are many .22 pistols.
But the 1911-380 is very much intended as a self-defense gun, and that is how it is marketed and has generally been reviewed. From the Browning website:
Conceals better. It is easily concealed with its smaller size and single-stack magazine that offer a compact, flat profile that fits easily inside the waistband and keeps the grip narrow for shooters with smaller hands.
They also tout modern .380 ACP ammo for self-defense. Which I will agree with, but not enthusiastically — even out of a longer barrel, I consider it sufficient, but only that.
Still, the extra sight radius and weight of the 1911-380 does make it a better self-defense gun than sub-compact and micro .380s, and plenty of people are happy to rely on those. Though those advantages come with a cost: this is NOT a pocket pistol. Still, anyone who may be recoil shy but still wants an adequate self-defense round should check out the 1911-380. It is small enough to conceal well, and follow-up shots are very quick and easy to control.
One thing I really didn’t like were the sights. The matte black sights on the matte black slide were almost impossible for my old eyes to find and use quickly. Seriously, look at this image from the Browning site:
And that makes it look better than it did out at the range. Even just a white dot/white outline would have been a great improvement, and I’m honestly surprised that Browning seems to have made no effort at all to make them more effective. If I got one of these guns, the very first thing I would do would be to upgrade the sights, even if that meant just adding a dab of paint.
So there ya go: if you’re in the market for a low-recoil, quality made, 1911 platform self-defense gun, check out the Browning 1911-380. But if you get one, do something with the sights on the damned thing.
More complete reviews can be found all over the web. This one is fairly typical in having positive things to say.
Jim Downey
Review: Sterling PPL .380 ACP
Sometimes it’s a good thing to look back at failed experiments, to better understand how we got to where we are today. It can be instructive, as well as cautionary — what we think of as innovative and brilliant now might well look a hell of a lot different in 30 or 40 years.
Such is the case with the Sterling PPL, a small self-defense handgun built and sold for just a couple of years in the early 1970s. Here it is:
A fairly complete story of the Sterling can be found here. There’s not a lot to tell, though it does give a nice description of the gun:
It is a blow back operated, semi-automatic pistol that is chambered for the .380 ACP(Automatic Colt Pistol) cartridge. This pistol incorporates a blade type front sight and a V notch rear sight, both of which are not adjustable. It is fed by an 8 round detachable box magazine. On the pistol’s butt there is a European style heel magazine release. The push button manual safety is located toward the front and directly above the trigger guard. In the photograph on the right, this push button safety is shown in the fire position. The plastic grip panels are secured to the frame by two hex or Allen key screws with a hexagonal socket in the head. The left grip panel will need to be removed in order to disassemble the pistol. This pistol has a one inch barrel and a total length of 5.38 inches and an unloaded weight of 22.5 ounces.
This past weekend I had the chance to shoot this gun. It was an original, but was “New, Old Stock” — while it was indeed made back in ’72 or ’73, it had never been fired and was still in pristine condition.
It’s a solidly made little thing, and while it was clearly not intended to be a fancy, high-finish gun it wasn’t bad in terms of fit & finish. All the parts were tight, well machined, and worked together well. The plastic grips were fitted well to the frame, and the checkering and emblem were clean, sharp lines — not the cheap sort of injection-mold grips which were common on many small guns of that era. The sights were milled into the top of the slide & barrel, and were reasonably clean and low-profile while still functional. The one magazine we tried fit flush into the gun, with no slop. The trigger was better than I expected, though like most of the gun would probably improve with some use. All in all, it really didn’t feel bad in the hand, and the ergonomics were better than I expected, particularly given the small size of the gun and my large hands.
Shooting it felt more natural than I expected, with the fairly high weight taming recoil — remember, this thing weighs more than twice as much as most micro-.380s do today. In fact, it felt a lot like shooting my Boberg XR-9 9mm, which isn’t surprising: compare how the guns look side by side:
And when I laid one gun on top of the other, they were nearly identical.
But the Sterling PPL isn’t the 70’s version of the Boberg. Note that the barrel in front of the cartridge is just 1″ whereas the barrel on the Boberg is almost 3″ in front of the cartridge. That means that the BEST you could hope for out of .380 ACP ammo would be under 200 ft-lbs of energy, while the Boberg (or the current Bond Arms version) would give you more than twice that.
And that extremely short barrel on the Sterling led to another problem: keyholing. That is where the bullet doesn’t have enough time to stabilize (which is the function of rifling in a barrel), and so tumbles. You can clearly see that in four of the first five shots we fired, in this target:
All five of the next shots also keyholed. And that means that the bullets would hit the target in such a way as to minimize penetration, rendering them much less effective in terms of ability to incapacitate. Which is very much not what you want in a defensive handgun.
So it’s not too surprising that this design didn’t succeed, even though it was a very compact little gun. But I do wonder whether if they had extended the barrel another inch or so, would it have survived?
Speculating a little more … what do you think the chances are that the design of the Sterling might have somehow inspired the Boberg? The size, shape, and appearance of the guns are surprisingly similar. Hmmm …
Jim Downey
Reprise: the *other* perfect concealed carry revolver(s).
Prompted by my friends over at the Liberal Gun Club, this is another in an occasional series of revisiting some of my old articles which had been published elsewhere over the years, perhaps lightly edited or updated with my current thoughts on the topic discussed. This is an article I wrote for Guns.com, and it originally ran 11/26/2011. Some additional observations at the end.
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The Smith & Wesson models 442 and 642 revolvers have their roots back more than 60 years ago. Needless to say there have been any number of variations on the J-frame theme over time (there are currently 49 versions offered on the S&W website), but perhaps the most popular has been the Airweight 642 (in stainless steel or brushed aluminum, and a variety of grips). The 642 certainly has been a very good seller, and has been at or near the top of S&W’s sales for most of the last decade. The 442 and 642 models are identical in every way except finish (the 442 is blued), but the 642 is more popular.
Why is this gun so popular? Well, it does everything right, at least as far as being a self-defense tool. It’s small, lightweight, hides well in a pocket or purse, is intuitively easy to shoot, and it handles the dependably potent .38 Special cartridge.
But let me expand on those points.
The first three are all tied together. For anyone who is looking for a gun to carry concealed, the J-frame size has a lot going for it. The 642’s barrel is one- and 7/8-inches. Overall length is just a bit more than six inches. Though the cylinder is wider than most semi-autos, the overall organic shape of the gun seems to make it hide better in a pocket or behind clothing. The Airweight 642 weighs just 15 ounces unloaded, and not a lot more loaded. For most people, this is lightweight enough to carry in a pocket or purse without really noticing it. Put it in a belt holster and you’ll not even know it is there.
Easy to shoot? Well, yeah, though it takes a lot of work to be really accurate with one at more than close self-defense distances. The 642 is Double Action Only (DAO), which means that the hammer is cocked and then fired all with one pull of the trigger – nothing else needs to be done. There’s no safety to fumble with. Just point and click. Almost anyone can be taught to use it with adequate accuracy at self-defense distances (say seven yards) in a single trip to the range.
The modern .38 Special +P cartridge is more than adequate for “social work”. From my 642 we tested five different premium defensive loads and four of the five were between 900 and 1000 fps. Tests from Brassfetcher have shown that these cartridges both penetrate and expand well, too.
One more thing – the design of the Centennial models, with the internal hammer, means that they are snag-free. You don’t have to worry about some part of the gun catching on clothing or other items when drawing it from concealment. This can save your life.
With all the good being said, I do have two criticisms. The first one is minor, and easily fixed: the trigger. Oh, it’s good, but it could be a little bit smoother right out of the box (like Ruger’s LCR). The good news is that this can usually be worked out with just some dry-firing exercises.
The second is the front site. S&W is still offering the guns with just a simple ramp sight. They should switch over to some variety of tritium sight or fiber-optic (or combination), as they have done with many of their other J-frame models. This is one change which would help in low-light conditions.
So, there ya go. Want the nearly perfect pocket pistol? You’d be hard pressed to do better than a 642 or 442.
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There’s not a lot I would change in the seven years since I first wrote this, which in itself says a hell of a lot about the popularity of the 442/642 models. They’re still ubiquitous, high quality, and effective self-defense guns.
After that was written we did another large BBTI test which included the .38 Special cartridge, which confirmed what I already knew: that while there are indeed some better and some worse performing brands of ammo available for the snubbie, for the most part all decent ‘self-defense’ ammo performs adequately. While my friend Grant Cunningham recommends the Speer 135gr JHP Short-barrel ammo (which I used to carry and still like), I now prefer Buffalo Bore’s 158gr LSWCHP +P for my M&P 360 — I’ve repeatedly tested that ammo at 1050fps out of my gun, which gives me a muzzle energy of 386 ft-lbs. But it’s not for the recoil-shy, particularly out of a 11.4oz gun. As always, YMMV.
While S&W hasn’t changed the sight offerings on the 442/642, there are lasers available for the guns, which some people like. Personally, at the range which these guns are likely to be used, I don’t see the benefit. But if you like a laser, go for it.
Bottom line, the 442/642, like the Ruger LCR, are nearly perfect revolvers for concealed carry in either a pocket or a belt holster.
Jim Downey
Reprise: Is the Ruger LCR a perfect concealed carry revolver?
Prompted by my friends over at the Liberal Gun Club, this is another in an occasional series of revisiting some of my old articles which had been published elsewhere over the years, perhaps lightly edited or updated with my current thoughts on the topic discussed. This is an article I wrote for Guns.com, and it originally ran 5/3/2012. Some additional observations at the end.
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The Sturm, Ruger & Company line of LCR composite-frame revolvers have been available for a few years now (2009) and since expanded from the basic .38 Special that weighs 13.5 ounces, to a 17-ounce version that can handle full .357 magnum loads, and a slightly heavier one that shoots .22 Long Rifle.
Ruger makes excellent firearms and I have grown up with them, but I was more than a little skeptical at the prospect of a revolver with a composite frame when I first heard about it. And the initial images released of the gun didn’t belay my skepticism.
But then the first Ruger LCR revolvers were actually introduced and I found out more about them. The frame is actually only partly composite while the part that holds the barrel, cylinder, and receiver is all aluminum. The internal components like the springs, firing pin, trigger assembly, et cetera are all housed in the grip frame and are well supported and plenty robust. My skepticism turned to curiosity.
When I had a chance to actually handle and then shoot the LCR, my curiosity turned to enthusiasm. Since then, having shot several different guns of both the .38 Special and .357 LCR models, I have become even more impressed. Though I still think the LCR is somewhat lacking in the aesthetics department. But in the end it does what it is designed to do.
Like the S&W J-frame revolvers, the models it was meant to compete with, the LCR is an excellent self-defense tool. It’s virtually the same size as the J-frames and the weight is comparable (depending on which specific models you’re talking about). So it hides as well in a pocket or a purse because it has that same general ‘organic’ shape.
The difference is, the LCR is, if anything, even easier to shoot than your typical J-frame Double Action Only revolver (DAO, where the hammer is cocked and then fired in one pull of the trigger). I’m a big fan of the Smith & Wesson revolvers, and I like their triggers. But the LCR has a buttery smooth, easy-to-control trigger right out of the box, which is as good or better than any S&W. Good trigger control is critical with a small DAO gun and makes a world of difference for accuracy at longer distances. I would not have expected it, but the LCR is superior in this regard.
Like any snub-nosed revolver, the very short sight radius means that these guns can be difficult to shoot accurately at long distance (say out to 25 yards). But that’s not what they are designed for. They’re designed to be used at self-defense distances (say out to seven yards). And like the J-frame DAO models, even a new shooter can become proficient quickly.
I consider the .38 Special model sufficient for self defense. It will handle modern +P ammo, something quite adequate to stop a threat in the hands of a competent shooter. And the lighter weight is a bit of an advantage. But there’s a good argument to be made for having the capability to shoot either .38 Special or .357 magnum cartridges.
My only criticism of the LCR line is that they haven’t yet been around long enough to eliminate potential aging problems. All of the testing that has been done suggests that there won’t be a problem and I trust that, but only time will truly tell if they hold their value over the long haul.
So, there ya go. To paraphrase what I said about the S&W Centennial models: “Want the nearly perfect pocket gun? You’d be hard pressed to do better than a Ruger LCR.”
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It’s been six years since I wrote this, which means the early versions of the LCR have now been around for almost a decade. And as far as I know, there hasn’t yet been a widespread problem with them holding up to normal, or even heavy, use. So much for that concern.
And Ruger has (wisely, I think) expanded the cartridge options for the LCR even further. You can still get the classic 5-shot .38 Special and .357 Magnum versions, as well as the 6-shot .22 Long Rifle one. But now you can also get 6-shot .22 Magnum or .327 Magnum versions, as well as a 5-shot offering in 9mm. Each cartridge offers pros and cons, of course, as well as plenty of opportunity for debate using data from BBTI. Just remember that the additional of the cylinder on a revolver effectively means you’re shooting a 3.5″ barrel gun in the snubbie model, according to our charts. Personally, I like this ammo out of a snub-nosed revolver, and have consistently chono’d it at 1050 f.p.s. (or 386 foot-pounds of energy) out of my gun.
For me, though, the most exciting addition has been the LCRx line, which offers an exposed hammer and SA/DA operation:
I like both the flexibility of operation and the aesthetics better than the original hammerless design. But that’s personal preference, nothing more.
The LCR line has also now been around long enough that there are a wide selection of accessories available, from grips to sights to holsters to whatever. Just check the Ruger Shop or your favorite firearm supply source.
So, a perfect pocket gun? Yeah, I think so. Also good for a holster, tool kit, or range gun.
Jim Downey
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