What sets the M4 RAS aside from other 2-piece quad rails in the marketplace is always that it securely locks for the rifle’s barrel nut by way of a clamp and screw arrangement, making it a very good Basis upon which to mount tactical add-ons. Includes three KAC 11 Rib https://kac-m4-ras18407.designertoblog.com/58059446/the-kac-rail-diaries