Description
M4 Flat Top Anodized Upper Receiver – Stripped – Pack Of 5
Machined from 7075 T6 forgings, this upper receiver features a mil-std 1913 rail for mounting optics and accessories and has M4 feedramps.
- Machined from a Mil-Spec 7075 T6 forgingHard Coat Anodized per Mil-A-8625F, Type III
- M4 Feed ramps
- Made in the U.S.A
These uppers are machined to extremely tight tolerances for a more accurate build. Seating the barrel may take additional force. Light taps with a rubber mallet will do the trick.
