ABC RIFLE COMPANY AR-15 Sleek Billet Stripped Upper Receiver Black UP15-BILLET. The flat-top design features integrated Picatinny rails making it easy to mount optics and accessories. M4 feed ramps are included to ensure smooth and consistent...
ABC RIFLE COMPANY AR-15 Sleek Billet Stripped Upper Receiver Black UP15-BILLET. The flat-top design features integrated Picatinny rails making it easy to mount optics and accessories. M4 feed ramps are included to ensure smooth and consistent...