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Thread: Barrier Penetration .45 ACP FMJ.
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October 13th, 2019, 05:40 PM #1
Barrier Penetration .45 ACP FMJ.
I watched a video of a randomn guy shooting books and the 9x19mm and .40 S&W went through the books, whereas the .45 ACP didn't. I have no idea which brands/loads he was using for each round, but it made me want to test this myself. I'm not going to use books though, that's silly. We all know that surface area and sectional density play factors in how well a round penetrates barriers. I'm just wondering if a good quality .45 ACP 230 gr FMJ would perform so poorly? I have all 3 calibers. Let me see what I can do about putting a YouTube video together. I'll most likely use some 2x4s tapped together. Give me a few days.
Last edited by Armor90; October 13th, 2019 at 05:46 PM.
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October 13th, 2019, 11:49 PM #2Grand Member
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Re: Barrier Penetration .45 ACP FMJ.
Rest assured the .45 is the most deadly round in the world. In fact, the mere sight of a .45 has killed more people on site than, than the Clinton's! Other experts will be around shortly to explain all the other fancy stuff. Until then be very very careful with that .45.
Aggies Coach Really ??? Take off the tin foil bro.
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October 14th, 2019, 06:06 PM #3Grand Member
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Re: Barrier Penetration .45 ACP FMJ.
I don't doubt that smaller, faster projectiles penetrated books farther than ANY .45 APC round. What matters to me is how my chosen carry round performs on someone intent on killing me. The 2 X4 test that you are going to run is interesting to me, but will show "how may taped together 2 X4's a particular .45 ACP round will penetrate". It won't speak of it's ability to stop someone intent on killing me.
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October 14th, 2019, 06:20 PM #4Grand Member
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Re: Barrier Penetration .45 ACP FMJ.
Aggies Coach Really ??? Take off the tin foil bro.
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October 14th, 2019, 06:22 PM #5Grand Member
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Re: Barrier Penetration .45 ACP FMJ.
No matter what you see or read, always do your own homework.
Aggies Coach Really ??? Take off the tin foil bro.
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October 14th, 2019, 06:30 PM #6
Re: Barrier Penetration .45 ACP FMJ.
Something makes me think that shot placement is at least as important as caliber of the weapon.
Gender confusion is a mental illness
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October 14th, 2019, 06:53 PM #7
Re: Barrier Penetration .45 ACP FMJ.
Bigger diameter bullets also have a larger frontal area to disperse kinetic energy and momentum across.
It is the same reason why small diameter bullets from the 5.7 have a better chance of penetrating body armor than a 44magnum does.
An easy demonstration is: Take a the end of a broom stick and try to put it through your thigh. Then take a sewing needle and do the same.RIP: SFN, 1861, twoeggsup, Lambo, jamesjo, JayBell, 32 Magnum, Pro2A, mrwildroot, dregan, Frenchy, Fragger, ungawa, Mtn Jack, Grapeshot, R.W.J., PennsyPlinker, Statkowski, Deanimator, roland, aubie515
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October 14th, 2019, 07:05 PM #8
Re: Barrier Penetration .45 ACP FMJ.
www.Steelvalleycasting.com is your new home for coated bullets and custom ammo.
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October 14th, 2019, 07:25 PM #9
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October 14th, 2019, 09:01 PM #10
Re: Barrier Penetration .45 ACP FMJ.
I think this goes to show you that carrying a 9mm FMJ is a terrible idea in terms of over penetration. Suppose you must carry FMJ (not sure why), you should go 230gr 45auto.
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