Magpul

-Replaces standard M4 Carbine-type plastic hand guards-Compatible with most piston-driven as well as 'direct impingement' gas systems-Easy to install utilizing existing delta ring and round or triangular front hand guard retaining cap-M-LOK slots at the two, six, and ten o'clock positions for mounting MIL-STD-1913 Picatinny rails or otherdirect-attach M-LOK accessories-Reinforced, heat-resistant polymer construction-Integral riveted aluminum heat shield-Front lip and side extensions, shields hand from hot gas block-Relieved area at the top rear accommodates many overhanging optic mountsNote: The MOE M-LOK Hand Guard – Carbine-Length is a direct replacement for M4 Carbine-type plastic, two-piece hand guards and utilizes the existing front hand guard retaining cap and delta ring.