The Bushmaster XM-15 QRC Upper is a 16" Patrolman upper receiver designed for 223 Rem | 5.56 NATO caliber. It comes with an A2 front/carry handle rear sights, features a salt bath nitride finish, a SBN MPI bolt carrier, and carbine length gas system, all housed within a 7075 aluminum receiver.
Specs
| Model No. | BM00-40004-BLK |
| Model | XM-15 QRC Upper |
| Manufacturer | Bushmaster |
| Color | Salt Bath Nitride |
| Illuminated | No |
| Sights | A2 Front/Carry Handle Rear |
| Caliber | 223 Rem | 5.56 NATO |
| Overall Length | 25" |
| Weight | 4.6 |
