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Automatic Colt Pistol The Model 1911 pistol was developed for the Army. Most bullets (cartridges) had a large base for use in the cylinder of a revolver. The Colt pistol was automatic and used a clip so the cartridge did not have a base that was wider than the bullet. This bullet was specially designed for this gun. It became known as the .45 ACP so it would not be confused with other bullets.

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Q: What does acp mean for a bullet?
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Related questions

What is ACP in the bullet 32 ACP?

Automatic Colt Pistol.


What caliber bullet does a browning m1922 use?

It was chambered in both 32 ACP and 380 ACP.


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.45 caliber ACP


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.45 ACP


What is the caliber 11x25?

It sounds like maybe a .45 ACP. If the bullet is 11mm wide (diameter) and the case (not counting the bullet) is 25mm long, that sounds about right for a .45 ACP round.


Which is more harmful 9mm or 45mm bullet?

It depends on several factors. First, do you mean .45 ACP? .45mm bullet is not a handgun bullet. If you do mean that, here is a basic answer. It depends on several factors: the particular cartridge specifications, where/what it hits, whether it hits a vital organ, whether it expands.


Which caliber is from largest to smallest a 380 caliber a 32 caliber and a 40 caliber?

.40 S&W cartridge, bullet diameter = .401" .380 ACP cartridge, bullet diameter = .355-.356" .32 ACP cartridge, bullet diameter = .311 - .312"


What is the muzzle velocity of a .45 caliber bullet?

Depends on which .45- 45 Colt, 45 ACP, 45 Magnum, 45-70, and which bullet, and what it is fired from. If you mean the .45 ACP fired by a 1911A1 pistol, velocity varies from 830 FPS up to about 1020 fps. Slow, fat, but gets the job done.


What does ACP mean in 45 acp?

ACP stand for Automatic Colt Pistol


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How far can a 45 ACP bullet travel?

In the case of the 1911A1 pistol, in .45 ACP, firing a standard 230 gr. round nosed bullet, when elevated to 33 degrees, the bullet will travel 2096 ft. Not accurately, but that is it's maximum RANGE. When fired from a carbine or submachinegun, the range may be greater.