Roswell L. Colt Roswell L. Colt Roswell Lyman Colt (1779-1856) was an American businessman who made a fortune in the shipping industry, served for decades as governor of the Society for Establishing Useful Manufactures, and was an early railroad executive. Colt's parents were Peter Colt (1744-1824) and Sarah Lyman. (Peter's brother was Benjamin Colt (1740-1781), whose grandson would be gunmaker Samuel Colt (1814-1862).) A graduate of Yale University, Peter founded a shipping business that traded with the West Indies, served in the Revolutionary War, served as Connecticut State Treasurer from 1790 to 1794, and went on to help found Paterson, New Jersey. In
Colt Single Action Army the .44 American was the cartridge used in the 1,000 Smith & Wesson Model 3 revolvers issued to the troops. After the tests, the Colt was declared the superior revolver and the government specified that a .45 caliber cartridge would be required. With the adoption of the Colt Single Action Army revolver in 1873, the service cartridges were Copper-cased .45 centerfire Benét inside primed "Colt's Revolver Cartridges" loaded with 30 grains of black powder and an inside lubricated bullet of 250 grain. They were manufactured at Frankford Arsenal, Philadelphia, PA, through 1874. In 1875, the cartridge was shortened so that