The AR-15A2 Sporter II incorporates the A2 improvement package into the civilian AR-15 line — heavier barrel, revised handguards, case deflector, A2 rear sight with windage and elevation adjustments, and the A2 birdcage flash hider. The 20-inch barrel and fixed A2 stock make it the full-size sporting rifle configuration. Sold during the pre-ban era as Colt's premium civilian AR. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 20 Year introduced: 1984, USA Weight: 7.5 oz Overall length: 39.5" Status: Discontinued Intended use: Sport Shooting