What sets the M4 RAS besides other 2-piece quad rails on the market is the fact it securely locks to your rifle’s barrel nut by means of a clamp and screw arrangement, which makes it an exceptionally strong Basis on which to mount tactical extras. Involves three KAC eleven Rib https://kacrail85361.designertoblog.com/57959514/top-guidelines-of-knights-armament-rail