AR15 M4 FLAT TOP UPPER RECEIVER WITH FORWARD ASSIST AND EJECTION PORT DUST COVER
AR15 upper receiver, M4A3 flat top configuration WITH M4 cuts. Laser engraved markings for optics placement. Precision CNC machined from US certified 7075 heat treated forgings. Type III hard coat anodized for durable finish. Ships complete with EJECTION PORT DUST COVER and FORWARD ASSIST ASSEMBLY installed.