MEGA MACHINE FORGED AR-15 UPPER RECEIVER WITH M-4 FEED RAMPS- WITH PARTS FEATURES • Machined from forged 7075-T6 aluminum. • Black hard anodized with...
MEGA MACHINE BILLET UPPER RECEIVER WITH M-4 FEED RAMPS; WITH FORWARD ASSIST AND EJECTION COVER ASSEMBLIES INSTALLED. FEATURES • Machined from billet...