16-inch mid-length cold hammer-forged carbine. One of the most trusted government-spec AR-15 builds available to civilians. Type: Carbine Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2012, USA Weight: 112 oz Overall length: 32.5" Status: Active Intended use: Law Enforcement, Home Defense, Sport Shooting