PRIMARY WEAPONS SYSTEMS MK116 MOD 2 UPPER , ORIGINAL LESS THAN 1000 RNDS
DIRECT PISTON , CHAMBERED 223 WYLDE , 1/8 TWIST , 3 POSITION SELECTOR FOR SUPPRESSED
RUNS VERY CLEAN, EASY TO MAINTAIN
LOWER IS A SPIKES ENHANCED NICKEL BORON TRIGGER GROUP WITH A COUPLE OF EXTRAS
RIFLE IS THE BEST PISTON SETUP ON THE MARKET, THEIR UPPERS WILL COST YOU OVER $1200
A FEW MARKS FROM MOUNTING ACCESSORIES
I NO LONGER HAVE THE BOX , BUT DO HAVE THE ADJUSTING TOOL AND CLEANING KIT IN THE PISTOL GRIP