Colt Factory Original Pre-Ban Green Label AR-15 HBAR Model #R6600, 99% Condition! Semi-Automatic, .5.56/.223 Caliber with 20 Inch Barrel that has a 1 in 7 Twist, Bayonet Lug & Unblocked Lower Receiver! Includes all Factory Accessories which includes Two 20 Round Magazines, Owner’s Manual, Cleaning Rods, Brushes, Sling and Barrel Cap.