Samuel Colt Samuel Colt Samuel Colt (; July 19, 1814 – January 10, 1862) was an American inventor, industrialist, businessman, and hunter. He founded Colt's Patent Fire-Arms Manufacturing Company (today Colt's Manufacturing Company) and made the mass production of the revolver commercially viable. Colt's first two business ventures were producing firearms in Paterson, New Jersey and making underwater mines; both ended in disappointment. But his business expanded rapidly after 1847, when the Texas Rangers ordered 1,000 revolvers during the American war with Mexico. During the American Civil War, his factory in Hartford supplied firearms both to the North and the South. Later,
M1917 revolver and replace a range of 1890s-era .38 caliber Colt and Smith & Wesson revolvers that had demonstrated inadequate stopping power during the Philippine–American War. The Colt M1917 Revolver was essentially the same as the M1909 with a cylinder bored to take the .45 ACP cartridge and the half-moon clips to hold the rimless cartridges in position. In early Colt production revolvers, attempting to fire the .45 ACP without the half-moon clips was unreliable at best, as the cartridge could slip forward into the cylinder and away from the firing pin. Later production Colt M1917 revolvers had headspacing machined into the