Pietta reproduction of the massive Colt Walker revolver. 9-inch barrel, all-steel construction, open-top frame. At 4.5 lbs, the largest production revolver in history. Type: Revolver Action: Percussion Caliber: .44 caliber Capacity: 6 Year introduced: 1970, Italy Weight: 73 oz Overall length: 15.5" Status: Active Military use: Yes Intended use: target, reenactment, competition