This hand guard is a 2 piece design with upper and lower heat shields for maximum cooling. Designed and engineered to accommodate gas piston or direct gas impingement systems. For carbine-length AR15/M16 Rifles. Purpose built ergonomic hand grip area with hand stop and heavy texture. Proprietary formula of heat stabilized nylon reinforced with high strength fibers. 1/2 the weight of aluminum hand guards. Modular design will accommodate Mil-Spec rail systems for a truly customized weapon system. Flat Dark Earth color matched with Magpul products for a seamless match between parts.