Colt LE6920 AR-15 5.56 NATO 16" Complete Upper

Colt's Manufacturing LE6920 AR 15 5.56 NATO Complete Upper Colt's commitment to quality and excellence are evident in every piece that leaves the factory. This complete upper assembly is no exception to that rule. Built from the factory as a complete upper assembly kit, not stripped from a rifle outside of the factory, you can rest assured you are purchasing a genuine Colt product. The upper features a 16" barrel with a 1:7" twist rate, polymer Hand guards and A2 front sight base. The included bolt carrier group is full auto capable when using a select fire lower receiver, but will work just fine in semi auto lowers as well. Features: 5.56mm NATO (accepts .223 Remington) 16" barrel 1:7" Twist Threaded muzzle with A2 style flash hider Carbine length direct impingement gas system A2 front sight base Full auto capable bolt carrier group Magnetic Particle inspected (MPI) marked bolt Polymer hand guards Aluminum delta ring Dry film lubricated upper Made in the USA