Colt LE6933 AR-15 pistol in 5.56x45mm NATO with 11.5-inch barrel, the law enforcement compact carbine configuration without a stock. Type: Pistol Action: Semi-Automatic Caliber: 5.56x45mm NATO Capacity: 30 Year introduced: 2010, USA Weight: 80 oz Overall length: 27" Status: Active Intended use: Law Enforcement, Tactical