What sets the M4 RAS in addition to other 2-piece quad rails available on the market is usually that it securely locks for the rifle’s barrel nut by using a clamp and screw arrangement, rendering it an exceptionally good foundation on which to mount tactical add-ons. Posted by BRAD on https://beckettlasbj.blogprodesign.com/51503254/not-known-factual-statements-about-kac-ras-rail