The.45 ACP (11.43×23mm) (Automatic Colt Pistol), also known as the.45 Auto by C.I.P. or 45 Auto by SAAMI, is a cartridge designed by John Browning in 1904, for use in his prototype Colt semi-automatic.45 pistol and eventually the M1911 pistol adopted by the United States Army in 1911.
ammo_45acp. fiveseven. 12. weapon_ump45.