The AR-15A2 Carbine is the short-barreled variant of the A2-generation Colt civilian AR, featuring a 16-inch barrel and collapsible CAR-15 stock. Incorporates the A2 rear sight and delta ring handguard assembly. Represents Colt's first mainstream civilian carbine-length offering. The combination of A2 optics and carbine handling influenced all subsequent AR carbine designs. Type: Rifle Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 20 Year introduced: 1985, USA Weight: 6 oz Overall length: 35" Status: Discontinued Intended use: Sport Shooting