The iconic Colt Single Action Army in .44-40 Winchester, the most historically significant American revolver. The .44-40 chambering allowed cowboys to carry one cartridge for both rifle and revolver — the original dual-purpose ammunition concept. Type: Revolver Action: Single-Action Caliber: .44-40 Win Capacity: 6 Year introduced: 1873, USA Weight: 37 oz Overall length: 11" Status: Active Military use: Yes Intended use: Military Service, Range, Collecting