BCM M4 Upper Receiver Assembly (w/ Laser T-Markings)

•Precision machined to correct Mil-Specs from 7075 T6 Forgings extension, providing the user with superior strength when dropped or when mortaring malfunction clearance drills.

•Fully Assembled with forward assist, and ejection port cover

•Mil-Std 1913 Rail for mounting optics and accessories

•Machined for use with barrels that use an M4 barrel extension

•Laser etched T-markings for addressing the remounting of optics

•Includes Mil-Spec Forward Assist with heat treated tool steel pawl, with press fit and pinned cap

•Hard Coat Anodized per Mil-A-8625F, Type III, Class2

•Dry Film Lube on interior bore per Mil-Specs

•As with all BCM® products, Made in the U.S.A.