Colt Firearms AR6720 Lightweight LE Carbine Black .223 / 5.56 NATO 16.1-inch 20Rd Carry Handle

ColtAR-15 A4 Lightweight LE Carbine With Carrying Handle 5.56mm 16.1 Inch Barrel 20 Rounds AR-15 A4 Lightweight LE Carbine Comes standard with carry handle with built inrear iron sight which has adjustment for both windage and elevation. 16inch standard weight barrel and bolt are magnetic particle tested after proofing by Colt to ensure they are made of perfect steel with zero flaws. 1:7 inch twist gives the barrel flexibility to use a wide range of ammunition from 40 grain varmint rounds to 77 grain long range match. New roll mark of AR-15 A4 recognizes Colt's newest designation of an optics ready carbine.