The Colt LE6920 is the gold-standard civilian and law enforcement AR-15, built to the same specifications as the military M4. Chrome-lined barrel and bolt carrier group, mil-spec trigger, and the full LE6920 part number marking that signifies genuine Colt quality. Type: Semi-Auto Rifle Action: Gas-Operated Caliber: 5.56x45mm Capacity: 30 Year introduced: 2002, USA Weight: 6.9 oz Overall length: 32.5" Status: Active Intended use: Patrol, Home Defense, Range