CONVERSION KIT FOR THE MK48L MACHINE GUNS TO 5.56X45 NATO. KIT INCLUDES BARREL ASSEMBLY, BOLT, SLIDE, FEED COVER ASSEMBLY, FEED TRAY,  FOLDING CHARGING HANDLE ASSEMBLY AND 5.56 EJECTOR BLADE ASSEMBLY.  THESE RUN THE STANDARD M27 LINKS. THIS KIT ONLY FITS THE NEW LONGER RECEIVER MK48AL 7.62 MACHINE GUN.