Magpul

-Replaces standard plastic AR-15 mid-length hand guards-Compatible with both 'direct impingement' and most piston-driven 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 – Mid-Length is a direct replacement forfactory-type hand guards and utilizes the existing front hand guard retaining cap and delta ring.