The .45 ACP (Automatic Colt Pistol), also known as .45 Auto, .45 Automatic, or 11.43×23mm [1] is a rimless straight-walled handgun cartridge designed by John Moses Browning in 1904, for use in his prototype Colt semi-automatic pistol.

2020年4月15日 · There is no difference between 45 Auto and 45 ACP. They are in fact one and the same, which leads us to the point of this article: Some cartridges have more than one name. Some have many, in fact, to the point where an inexperienced shooter may wonder if they are ordering the correct ammunition.

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45 Auto (ACP) pistols for sale online or in-store at Sportsman's Warehouse. Find a large selection of 45 ACP pistols from reputable firearm manufacturers at the best prices.

2024年4月3日 · The .45 Auto (ACP) and the .45 GAP are designed for pistols only. The .45 Colt is an excellent caliber. The cartridge’s versatility by being available in 200gr to 280gr bullets of various designs makes the .45Colt as popular today as it was in 1878.

2024年5月10日 · 1. Is .45 Auto the same as .45 ACP? Yes, they are the same caliber of ammunition, with “Auto” and “ACP” being interchangeable terms. 2. What does .45 Auto/ACP stand for? Both abbreviations stand for Automatic Colt Pistol, referring to the specific cartridge designed for semi-automatic pistols. 3. Which guns can chamber .45 Auto/ACP rounds?

2022年10月6日 · The .45 ACP and .45 Auto cartridges are identical other than their names. We break down the .45 ACP vs. .45 Auto history.

2024年11月28日 · Compare .45 ACP and .45 Auto cartridges, including history, dimensions, ballistic performance, handgun compatibility, reloading, and self-defense capabilities.

Among civilian shooters, the .45 ACP is more popular today than it ever was. The typical factory load for the .45 ACP uses a 230 grain bullet (either FMJ or JHP) at a published muzzle velocity (in a 5" barrel) of 850 fps with 370 ft. lbs. of muzzle energy.

2025年2月22日 · The .45 Auto, also known as the .45 ACP, is a popular caliber for self-defense due to its manageable recoil, availability, and historical reliability. Many people already own a .45 Auto and prefer to use it rather than invest in a specialized big-bore revolver or a 10mm pistol, which are commonly recommended for bear defense.