This raises accuracy and zero repeatability through disassembly and reassembly when undertaking upkeep. When stowed while in the folded situation, the M4’s sight base extends again to envelope the front sight leaf on the proper and still left side, assisting to protect it from damage. Contact us to learn more https://knightsarmamentrail63962.blogkoo.com/5-easy-facts-about-knights-armament-m4-quad-rail-described-46067972