2020 The Colt Model 1911 .45 caliber semiautomatic pistol that John Browning dreamed up more than a century ago remains on of the most beloved sidearms in U.S. military history. Hell, there’s a ...
45 design. In 1905, Colt produced the .45 automatic for the civilian market as the .45 Military Model. The familiar Model 1911 was a significant and successful evolution of the Model 1900.