What sets the M4 RAS aside from other two-piece quad rails available on the market is always that it securely locks towards the rifle’s barrel nut via a clamp and screw arrangement, making it a really good foundation on which to mount tactical add-ons. Posted by BRAD on twenty third https://kacrail41727.blogdiloz.com/28919453/the-definitive-guide-to-ras-m4