Perhaps the definitive Cavalryman's revolver is Samuel Colt's Model 1860 Single Action Army.
The Colt Model 1860 Army revolver was manufactured from 1860 through 1873. The total production consisted of more than 200,000 units. The six-shot, .44 caliber revolver was the primary handgun used by Union troops during the Civil War because of its reliability.
After the Civil War, it was said of Sam Colt, "Abe Lincoln may have freed all men, but Sam Colt made them equal." Colt's success story began with the issuance of a U.S. patent in 1836 for the Colt firearm equipped with a revolving cylinder containing five or six bullets. Colt's revolver provided its user with greatly increased firepower.