AR-15 Extreme Environment Upper Receiver (Foliage Green)

If you demand a top quality upper receiver that can handle whatever a zombie apocalypse could throw at it than look no further. The EXO coating used on this upper receiver provides permanent dry lubricity, radically improves performance of your AR-15 and eliminates the need to apply oil or grease to treated parts for the life of the weapon. The average lifespan of the coating is 30k-50k+ rounds. This upper receiver comes complete with: EXO Coating (The same coating Fail Zero Uses) Dust Cover Assembly (Installed) Forward Assist (Installed) Charging Handle (EXO coated and matches the color chosen) M4 Feed Ramps (EXO coated)