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Ships in 10 days.
DUE TO LILJA NOT BEING ABLE TO MEET THE DEMAND ON BARRELS WE DECIDED TO BUILD THESE UPPERS WITH THE SOFTER SHOOTING AND LESS GASSY DOUGLAS MK12 SPR BARREL WHICH FEATURES A MID LENGTH SYSTEM.
COLT M4 UPPER
15.1″ DOUGLAS MID LENGTH BARREL SS 1/7 TWIST BARREL
BADGER MK12 GAS BLOCK
MILSPEC GAS TUBE
OPS INC LONG COLLAR BRAKE MUZZLE DEVICE
KNIGHTS FF LONG MK12 RAIL.
NO BCG OR CH