K-frame in 9mm Parabellum using a unique extractor system that eliminates the need for moon clips — one of the most mechanically complex revolvers ever produced by S&W. Type: Revolver Action: Double-Action Caliber: 9mm Luger Capacity: 6 Year introduced: 1980, USA Weight: 32 oz Overall length: 9.25" Status: Discontinued Intended use: Duty