The Colt AR-15 Sporter Lightweight is a reduced-weight civilian AR-15 achieved through a lightweight pencil-profile barrel and aluminum handguard, bringing the total weight below 6 pounds. Features a 16-inch lightweight barrel, A2 rear sight, and standard CAR-style collapsible stock. Colt's first explicit factory effort to reduce the AR-15's carry weight for recreational shooters. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 20 Year introduced: 1991, USA Weight: 5.8 oz Overall length: 32" Status: Discontinued Intended use: Sport Shooting