45 acp ammo capabilities?

does the 45 acp ammo have any armor penetrating power +P loads included

11 Answers

  • 9 years ago
    Favorite Answer


    In fact one of the complaints among .45 ACP users back in the 30's is that they weren't very effective shooting through car doors. Remember, this was the gangster era and cars were build solid back then. The .38 Super at the time was the only reliable handgun cartridge to do so, and why the .38 Super had a following back then.

    While a .45 ACP can pretty much penetrate today's car doors, if they couldn't penetrate a 37 Chevy door, it ain't gonna penetrate armor.

  • Anonymous
    6 years ago

    No for sure not. The 45 ACP has lots and lots of hype. While it's one of the better handgun cartridges, and it is occasionally fired from a PCC (pistol caliber carbine/rifle) it is in fact a large slow projectile. Large and slow means it is actually less likely to penetrate. It does in deed have tons of energy behind it, somewhere around 345 lbs per square inch and it travels on average around 800fps.

    The vest that most police officers wear cannot be defeated by any handgun cartridges, most however are not rated for rifle rounds. The difference is massive. Rifle rounds travel around 3000 fps some up to 4300 fps in standard loads alone. The 308 has around 2,700 ft lbs of pressure in terms of energy as an example. That's around 7.5x as much power as the 45 acp if you are looking at energy alone.

    Even after all this is said the armor piercing capabilities of a cartridge also has much to do with it's composition. Most ammo piercing rounds have steel cores or in the U.S. Armys case depleted uranium cores. These very dense metals projected at high rates of speed are what compromise armor.

  • 9 years ago

    Nope, a .45acp won't penetrate armor. Most handgun loads will not. Your armor piercing rounds are usually rifle rounds with a special tip and smaller point & diameter moving at 2-4 times the speed of most handgun rounds. Kind of like a heavier, slower basketball bouncing off of a window vs. a smaller, faster golf ball going right through.

  • 9 years ago

    Yes, you just need the Armor Piercing, incendiary, full metal jacket, Hollow point, SLAP, Orphan tear polished, unicorn blood filled round that the other people are using. These will obviously make it through the rifle grade armor.

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  • 9 years ago

    No. Not at all. if you mean soft armor, then only the very outdated and little used to begin with class I vests, and although it wont penetrate, it will cause a lot of blunt force trauma in class IIA and II vests.

    its too big and slow.

    Source(s): ADDED: just an FYI for anyone interested in this: Class III armor is RIFLE rated. so if it can stop a rifle round, it can damn sure stop a .45ACP. Class IIIA is the lower of the two, and it will stop a .44Magnum. Dumb is in the air.....
  • Anonymous
    9 years ago

    No, not really.

    Check out these photos:


    While its a big tough round that hits like a brick, its also slow; and the key to armor penetration isn't size, its velocity.

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  • 9 years ago

    depends on your armor rating, but I would think a fully jacketed 45 round could punch through a level 3 body armor. (body armor goes up to level 5 rating last I knew)

  • Anonymous
    9 years ago

    not really, unless you have those "cop killer" bullets.

    45ACP is a fat, slow moving round. it have very little ability to defeat armor. on top of that, I haven't heard of any steel core or hardened steel core .45 ACP ammunition, or any spitzer ball types (pointy bullets).

    the bullet's diameter is too wide and it moves too slow to penetrate much of anything bullet resistant. such as Kevlar, concrete, rock, glass (laminate), or steel.

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