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.

Bushmaster a3 upper. Bushmaster has you covered on your next ar build or upgrading project chambered in 556mm 300 blackout or 762mm. The ar 15 can take multiple upper receivers that allows the shooter to change calibers easily. These durable uppers are the perfect item to build your ar firearm around.

Out of stock 0 bushmaster flttop rec 300 16 upper. We have the best ar 15 upper receiver parts youll find. This bushmaster xm15 a3 upper will attach to virtually any standard ar 15 lower receiver.

Bushmaster designs and manufactures premium upper receivers for the ar rifle pistol platforms. Though not a long distance cartridge accuracy has proved to be exceptional out to 200 yards with felt recoil similar to a 20 gauge shotgun. Shop a full line of bushmaster products at midwayusa.

Out of stock 6 bushmaster 450bmst up asmbl. We carry just about everything by bushmaster. With a 1 in 9 twist the 16 chrome lined barrel provides outstanding accuracy that has been enjoyed by competition shooters worldwide.

This drop in a3 pistol upper will attach to virtually any standard ar 15 lower receiver. Comes complete with charging handle forward assist ejection port cover bolt and bolt carrier assembly. Bushmaster 91954 complete upper assembly a3 flat top wdetachable carry handle 223 remington556 nato 115 in 4150 chrome moly vanadium chrome lined black hard coat anodized brl finish.

For the fastest delivery select express shipping at checkout. Bushmaster a3 rec 556 upper. It will drop in to virtually any standard ar 15 lower receiver.

This drop in a3 upper will mount to virtually any standard ar 15 mil spec lower receiver. The patrolman is the classic m4 style upper assembly featuring a mil spec forged removable carry handle for shooting with iron sights or optics. We have the best ar 15 upper receiver parts youll find.

Due to high order volumes expect delays in processing orders.