The Colt Single Action Army revolver, alternately known as the Peacemaker, Model P, or Frontier, is the most popular handgun on the American Frontier and the definitive firearm of the Old West. The Single Action Army action is a refinement of the earlier Colt percussion revolvers and the Colt 1871 cartridge revolver. The cylinder is mounted on a central axis and operated by a hand with a double finger whose more extended action allowed the cylinder-ratchet to be cut in a larger circle, giving more torsional force to the cylinder. In keeping with the company's interest in continuing classic American designs, the US Firearms Company's factory is located on the former site of the Colt East Armory, where Colt's Manufacturing Company produced many of their classic firearms in the late 19th and early 20th centuries. Unlike some companies that produce replicas, their Single Action Army revolvers are true to the original first and second generation specifications. This revolver appears to be unfired and comes with the original factory box. Its grips, metal, and bore are all in excellent condition.