KNIGHTS ARMAMENT M4 QUAD RAIL THINGS TO KNOW BEFORE YOU BUY

What sets the M4 RAS aside from other two-piece quad rails in the marketplace is that it securely locks on the rifle’s barrel nut by using a clamp and screw arrangement, which makes it a very good foundation on which to mount tactical accessories. Contains three KAC eleven Rib Rail Panels. For other rib panel lengths and colours, Click the linkTh