The Smith & Wesson Model 39 is a usa-made semi-automatic pistol chambered in 9mm Luger, introduced in 1954. Primary use: self_defense, sport. Type: Pistol Action: Semi-Automatic Caliber: 9mm Luger Capacity: 15 Year introduced: 1954, USA Weight: 24 oz Overall length: 7.4" Status: Discontinued Intended use: self_defense, sport