FMJ (Full Metal Jacket) bullet), and submitted the pistol to the Army for evaluation. 45' diameter cartridge of his own design (with a 230gr. When the Army announced its interest in a new handgun, Browning re-engineered this handgun to accommodate a. Browning who was working for Colt, had already designed an 'autoloader pistol,' around a cartridge similar to contemporary. 45 caliber cartridge, to provide adequate stopping power. La Garde, had reached the conclusion that the Army needed a. Thomson (inventor of the Thomson submachine gun) and COL Louis A. 38 revolver to be incapable of stopping attackers.
The 1911 was designed to comply with the requirements of the US Army, which, during its campaign against the Moros in Philippines, had seen its trusty.
(Colt-Browning United States Government Model of 1911.