THE 2-MINUTE RULE FOR KNIGHTS ARMAMENT M4 QUAD RAIL

What sets the M4 RAS aside from other two-piece quad rails on the market is that it securely locks to your rifle’s barrel nut via a clamp and screw arrangement, which makes it an extremely strong foundation upon which to mount tactical accessories. Includes three KAC 11 Rib Rail Panels. For other rib panel lengths and colors, click hereIt is usua