HDD  MK46A1 AND MK48A1 1913 PICATINNY RAIL HANDGUARD WITH M-LOK SLOTS ON THE SIDES.  OPTIONS OF BLACK, ODG OR FDE.  THREE PICATINNY RAILS AND FOUR M-LOK SLOTS ON EITHER SIDE. THESE ARE A ONE PIECE T6 ALUMINUM AND ATTACH WITH SIX SCREWS. LIGHTWEIGHT BUT THE STRONGEST MOUNTING SO WILL HOLD UP IN COMBAT CONDITIONS. MADE FOR THE MK46, MK46A1, MK48 AND MK48A1 MACHINE GUNS. COMES WITH MOUNTING HARDWARE OF SIX SCREWS AND ALLEN WRENCH. (380)

THESE WILL FIT THE OLDER M249 BUT YOU WOULD HAVE TO DRILL THE MOUNTING HOLES ETC.