45 ACP (Automatic Colt Pistol) cartridge, it became the U.S. Armed Forces’ standard-issue sidearm following the failures of the Army’s .38 Long Colt revolvers during the fight against the Moro ...

45 ACP (Automatic Colt Pistol) cartridge and World War II ... If you answered the “Tommy Gun,” more specifically the Auto-Ordnance M1928 and M1 Thompson submachine gun (SMG), again, you ...

As the original manufacturer of John Browning’s iconic M1911 handgun, over the past century, Colt's Manufacturing ... that cartridge and the classic .45 ACP. While the non-optics ready versions ...