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The .45 Automatic Colt Pistol [11.43x23mm] round is a rimless pistol cartridge. It was designed by John Browning in 1904 and was used by Colt in their M1911 pistol. Eventually, this cartridge became the US armed services' official pistol and submachinegun round for the next 70 years.

A .45ACP round in real life.

.45 ACP types[]

Weapons that chamber this cartridge[]


  • In scripts, the ammunition is referred as ammo_11.43x23mm (which is its metric designation) rather than the expected ammo_.45. This can be somewhat confusing for new modders who aren't familiar with their weaponry.