HDD  MK46, MK48 1913 PICATINNY RAIL HANDGUARD. THESE FIT THE MK46 AND THE MK48. OPTIONS OF BLACK, ODG OR FDE.  THREE PICATINNY RAILS. THESE ARE A ONE PIECE 7075-T6 ALUMINUM AND ATTACH WITH SIX BOLTS. LIGHTWEIGHT BUT THE STRONGEST MOUNTING SO WILL HOLD UP IN COMBAT CONDITIONS. MADE FOR THE MK46, MK48 AND MK48L MACHINE GUNS. COMES WITH MOUNTING HARDWARE OF SIX SCREWS, SIX LOCKING NUTS AND ALLEN WRENCH.

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