The Ruger New Model Single-Six is the definitive American-made rimfire single-action revolver, produced continuously since 1973 with the New Model transfer bar safety. The 5.5-inch barrel is the most common configuration. Ships with both a .22 LR and a .22 WMR cylinder. Type: Revolver Action: Single-Action Caliber: .22 LR Capacity: 6 Year introduced: 1973, USA Weight: 35 oz Overall length: 11" Status: Active Intended use: Cowboy Action, Plinking