The Ruger Single-Six .22 LR is a usa-made single-action revolver chambered in .22 LR, introduced in 1953. Primary use: sport, hunting. Type: Revolver Action: Single-Action Caliber: .22 LR Capacity: 8 Year introduced: 1953, USA Weight: 34 oz Overall length: 9.5" Status: Active Intended use: sport, hunting