What sets the M4 RAS apart from other 2-piece quad rails available is it securely locks for the rifle’s barrel nut by way of a clamp and screw arrangement, making it a really reliable foundation upon which to mount tactical add-ons. Includes a few KAC 11 Rib Rail Panels. For https://kac-ras-rail64073.popup-blog.com/26418479/top-latest-five-kac-rail-urban-news