What sets the M4 RAS in addition to other 2-piece quad rails out there is the fact that it securely locks to your rifle’s barrel nut via a clamp and screw arrangement, which makes it an extremely reliable Basis upon which to mount tactical accessories. Involves a few KAC eleven https://stephenolzyq.arwebo.com/49732131/an-unbiased-view-of-knights-armament-rail