BCM Upper Receiver Assembly, Flat Top, M4
Build to the correct Mil-Specs. (Inside Diameter for barrel extension slightly undersized for a tighter fit to the barrel and a more accurate rifle.)
Precision machined to correct Mil-Specs from 7075 T6 Forgings
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
Made in the U.S.A.
This product will not include the BCM logo etched on the receiver. It is marked "BCM4" over the gas tube hole.