GETTING MY KNIGHTS ARMAMENT M4 QUAD RAIL TO WORK

What sets the M4 RAS in addition to other two-piece quad rails on the market is the fact it securely locks into the rifle’s barrel nut via a clamp and screw arrangement, making it a very sound foundation on which to mount tactical add-ons. Features 3 KAC eleven Rib Rail Panels. For other rib panel lengths and colors, Click the linkThe SaniSure®