3 Pack - M4 Flat Top Upper Receiver - Stripped - Black Anodized
Machined from 7075 T6 forgings, this upper receiver features a mil-std 1913 rail for mounting optics and accessories and has M4 feedramps. These uppers are machined to extremely tight tolerances for a more accurate build.
Machined from a Mil-Spec 7075 T6 forgingHard Coat Anodized per Mil-A-8625F, Type III