What sets the M4 RAS other than other two-piece quad rails on the market is it securely locks towards the rifle’s barrel nut by using a clamp and screw arrangement, making it a very strong foundation on which to mount tactical components. Features 3 KAC eleven Rib Rail Panels. For https://kac-m4-ras93174.shoutmyblog.com/26353503/the-kac-rail-diaries