The Colt Single Action Army in .45 Colt with 4.75-inch barrel, the most famous revolver in American history. Issued to the US Army from 1873 and carried throughout the Indian Wars and American West. Type: Revolver Action: Single-Action Caliber: .45 Colt Capacity: 6 Year introduced: 1873, USA Weight: 37 oz Overall length: 10.25" Status: Active Military use: Yes Intended use: Military, Collecting, Cowboy Action