ProMag PM242 Quad Rail Handguard 2-Piece Polymer w/Aluminum Heat Shield Insert Black AR-15 Carbine

ProMag Quad Rail Hand Guard two piece MIL-Spec Picatinny rails at the 12, 3, 6 and 9 o'clock positions. Used for mounting sights, tactical lights, vertical grips and other accessories. Constructed of a high impact glass filled nylon polymer with integral aluminum heat shield inserts.