The Magpul MOE M-LOK Hand Guard (Magpul Original Equipment) for AR15/M16 rifles with rifle-length gas systems combines the light weight of a standard hand guard with modular flexibility. M-LOK slots at the two six and ten o’clock positions allow the attachment of optional 1913 Picatinny rail sections and other M-LOK accessories for the direct mounting of tactical lights slings grips etc. Reinforced heat-resistant polymer construction provides operational durability integral riveted aluminum heat shield. Front extensions and lower lip provides additional operator protection from hot front sight assembly. Replaces standard plastic M16-type rifle-length hand guards. Compatible with both ‘direct impingement’ and most piston-driven gas systems. Easy to install utilizing existing delta ring and triangular or round front hand guard retaining cap. Relieved area at the top rear accommodates most overhanging optic mounts.