Navy Arms' 1872 Open-Top — the transitional cartridge revolver that bridged the cap-and-ball and metallic-cartridge eras. Chambered in 44 Colt, the historical cartridge for the original open-top conversions. An open-frame (no top strap) single-action. Type: Revolver Action: Single-Action Caliber: 44 Colt Capacity: 6 Year introduced: 2000, Italy Weight: 42 oz Overall length: 13" Status: Active Intended use: Collector, Reenactment