Product DescriptionBcm upper receiver assembly ar-15 bcg not included
-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
-Made in the U.S.A.