The Ruger Super Single-Six is a .22 LR single-action revolver based on the Colt SAA profile with adjustable rear sights. It typically ships with both a .22 LR and .22 WMR cylinder for maximum rimfire versatility. Type: Revolver Action: Single-Action Caliber: .22 LR Capacity: 6 Year introduced: 1964, USA Weight: 35 oz Overall length: 11.9" Status: Active Intended use: Small Game and Training