AR-15 A3 PISTOL UPPER RECEIVER ASSEMBLY 5.56X45MM NATO 11.5" BARREL
This drop-in A3 Pistol upper will attach to virtually any standard AR-15 lower receiver. The assembly comes complete with dual flip aperture rear sight in a removable carry handle, charging handle, forward assist, ejection port cover, bolt and bolt carrier assembly. The barrel's 5.56x45mm NATO chamber, M4 feed ramps, chrome lining, and 1 in 9" twist rate ensure reliable feeding and functioning with a wide variety of both commercial and surplus ammunition.
The Pre-ban style upper includes a bayonet lug, flash hider, and detachable carry handle providing added versatility for mounting optical devices or accessories. The Bushmaster upper receiver is an excellent choice for shooters looking to build a quality Pistol or Short Barreled Rifle (SBR) at an affordable price.