Recent content by Mark K
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M
Glock 42 Ammo Preferences
Yup, as I wrote in Post #17. We're getting way off the subject of this thread, but again, my EDC is a Sig P290RS -- not only because of the size, but because I'm not 100% comfortable with striker-fired guns (I don't want to start an argument -- I just prefer a long initial trigger pull). The... -
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Glock 42 Ammo Preferences
Oh, yes, indeed. :party29: I had no idea before, how much the support (and comfort) of a proper gun belt gives. In fact, I own several -- Nexbelt and Kore Essentials. Unfortunately the buckles don't interchange. I wear one all day every day. My leather OWB holster has belt snaps of the... -
M
Glock 42 Ammo Preferences
Man, this thread has gotten out of hand. Jeez, people... I was originally posting about what kinds of commercial ammo works in a Glock 42. With a bit about hand-loads to do the same. I don't know how we got onto the subject of EDC... But I agree (with Hibs) that comfort is important. I use... -
M
Glock 42 Ammo Preferences
And I hear ya on that. I think the biggest question may be whether a bullet will expand at all (reliably) or not, at typical .380 velocities -- less than 900 fps. I just don't know enough about that, but I understand the answer may be no. And if they don't expand, then they're no better... -
M
Glock 42 Ammo Preferences
I hear ya. I've got a few boxes of Cor-Bon 90gn JHP and Underwood 90gn Extreme Penetrator on the shelf. Both are probably similar really-hot loads as the Buffalo Bore -- I'm pretty sure above SAAMI specs. The reason those are going to continue just sitting on my shelf (well, maybe until... -
M
Glock 42 Ammo Preferences
Here's an update, since I'm the OP. I was looking for .380 defensive ammo (I know, oxymoron) that would work reliably in my wife's Glock 42. Inceptor ARX was certainly not it. I haven't had a chance to try the Hornady Critical Defense 90gr FTX ammo yet. But for hand-loading, I got some... -
M
Glock 42 Ammo Preferences
You mean, Glock should make a double-stack .380 like the Ruger LCP Max, right? Maybe... if the G42 wasn't so picky with ammo... Anyway, I got some Strike Industries +2 magazine base extensions. Brings capacity up to 8+1, which is better than 6+1. And they make the gun fit the hand much... -
M
Glock 42 Ammo Preferences
I actually found some Hornady Critical Defense at Bass Pro yesterday, and got five boxes. Like I said, same bullet (except for the polymer plug) as the Hornady American Gunner XTP that have worked fine in the G42. Hopefully same powder charge. I'll test the Critical Defense... -
M
Glock 42 Ammo Preferences
Yeah, I've got some ammo with Barnes bullets too, but I don't think it's even worth trying in the G42. Mainly because even if it did work, I've only got a couple 20-rd boxes... So that's the same good result that I've had with Hornady (American Gunner) XTP. I think identical bullet and... -
M
9mm Luger Case Volume
Yeah, that's what I figured/hoped. I'll still trash these when I find them, but won't particularly sweat it. My 9x19 loads are pretty middlin' (115gn FMJ with 4.5gn of HP-38), and they cycle all my 9x19 handguns just fine. I've been wondering about that too. Wow. -
M
Glock 42 Ammo Preferences
Yup. Always been that way for hollow-points or other good defensive bullets. I can reload FMJs all day long for practice with the G42 (I've still got SPPs, and they're slowly becoming more available -- but $$$). The issue is availability (and reliability) of defensive .380. I just... -
M
9mm Luger Case Volume
That's something I hadn't thought of. The bullet keeps accelerating, because the pressure behind it is so much greater than in front. But that rapidly-increasing volume behind the bullet would also tend to cool that volume really fast, at least relatively. That's qualitatively... I wonder... -
M
Glock 42 Ammo Preferences
Interesting. The G42 has, generally, a really good reputation. I guess as long as you're 100% confident in (and have thoroughly tested) the ammo you're using. Also interesting that a relatively, how shall I put it, inexpensive .380 like the Bersa Thunder should be so much more reliable with... -
M
9mm Luger Case Volume
Sooo... we're digressing a bit, but this is interesting... Chamber pressure peaks just as (or barely after) the bullet starts to move. Makes sense. Is that because most of the burn is complete; or because the bullet's movement starts opening up the available volume? Powder is still burning... -
M
9mm Luger Case Volume
Well, barrel length should affect the pressure that can build up (not just in the chamber) before the bullet exits the muzzle. Or does a firearm reach max chamber pressure before the bullet exits...? With a short barrel (my SigSauer P290 RS only has a 2.9" barrel), there's a significant...