The Colt Lightweight Commander 9mm is a usa-made semi-automatic pistol chambered in 9mm Luger, introduced in 1927. Primary use: Carry. Type: Pistol Action: Semi-Automatic Caliber: 9mm Luger Capacity: 7 Year introduced: 1927, USA Weight: 38 oz Overall length: 7.75" Status: Discontinued Intended use: Carry