XTS EPC Ejection Port Cover Black

XTS EPC Ejection Port Cover Black. Made from steel the cover is corrosion and shock resistant and can be installed on the AR-15 in mere minutes with no special hardware required. The port cover only lifts when the mag is ejected holding the bolt open. With a simple push the cover locks into place sealing the bolt to prevent any debris from entering the chamber. This feature is also useful for cleaning the bolt face. The ejection port cover can also be used as a dust cover for the barrel when not