The Model 17, originally the K-22 Masterpiece, is S&W's definitive .22 LR target revolver. Built to the same exacting standards as the centerfire K-frames, it became the standard by which all .22 revolvers are judged. Type: Revolver Action: Double-Action Caliber: .22 LR Capacity: 6 Year introduced: 1946, USA Weight: 38 oz Overall length: 9.25" Status: Active Intended use: Target, Sport, Training