the Bravo Company BCMGUNFIGHTER PMCR M-LOK Handguard FeaturesDirect replacement handguard featuring simple "drop in" design.Natural ergonomics; slim, comfortable and lightweightAggressive textured area for needed tractionThree, three-hole M-LOKA(R) compatible mounting slots, mounting surfaces (10:30, 1:30, and 6:00 o'clock placements)Aluminum heat shield, lessening heat transfer to the handguard and shooter's handMade of an impact and temperature resistant high strength polymer