Pietta 1851 Navy Conversion revolver represents the Richards-Mason conversion applied to percussion revolvers following the Civil War. Converts the 1851 Navy to fire .38 Special metallic cartridges. Type: Black Powder Revolver Action: Flintlock Caliber: .38 Spl Capacity: 6 Year introduced: 1871, Italy Weight: 42 oz Overall length: 13" Status: Active Intended use: Collector, Cowboy Action Shooting