What sets the M4 RAS apart from other two-piece quad rails in the marketplace is always that it securely locks into the rifle’s barrel nut by means of a clamp and screw arrangement, which makes it an exceptionally good foundation on which to mount tactical equipment. Involves three KAC 11 https://edgaraueox.ampedpages.com/the-greatest-guide-to-knights-armament-rail-54045155