thebyronbyrdCenturion 16" Barrel, Midlength tube and pinned block, Ops Brake & Collar Daniel Defense RISIII FDE FN Cage Code Upper Colt BCG Geissele ACH Knights Taupe Front Sight Knights USMC Rear
Less than 100rds. Taken care of and torqued to spec properly, bought the RIS3 and barrel new. KAC sights, bcg and upper were surplus.
