The British Royal Armouries Adams 1851 DA .50 Calibre is a united kingdom-made double-action revolver chambered in .50 Adams, introduced in 1851. Primary use: self_defense, law_enforcement. Type: Revolver Action: Double-Action Caliber: .50 Adams Capacity: 6 Year introduced: 1851, United Kingdom Weight: 136 oz Overall length: 44.5" Status: Discontinued Military use: Yes Intended use: self_defense, law_enforcement