The Pietta Walker is a full-size reproduction of the massive Colt Walker revolver of 1847, with a 9-inch barrel and the largest black-powder revolver cylinder ever produced in a single-action revolver. The Walker weighs over 4.5 pounds and generates significant muzzle energy when loaded to full capacity. Type: Revolver Action: Single-Action Caliber: .44 Cal Capacity: 6 Year introduced: 1988, Italy Weight: 72 oz Overall length: 15.5" Status: Active Intended use: collector, historical, muzzleloader