91823 : XM15 AR-15 A3 Upper receiver Assembly 5.56 x 45mm Nato 16" BBL
The Bushmaster XM15 A3 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. With a 1 in 9" twist, the 16" chrome lined barrel provides outstanding accuracy that has been enjoyed by competition shooters worldwide. Pre-ban style upper includes a bayonet lug and flash hider. Supplied without a rear sight.
|Compatibility||AR15 / M4 / M16|
|Actions & Receivers||Upper Receiver Assembly/Complete|
|Note||1/2-28 Muzzle thread|