HEADSPACE BOLT FOR PURCHASED BARREL
CONSTRUCTED FROM 9310 ALLOY
AR-15/M16 BOLT
FOR 5.56/.223/300BLKOUT
MPI/HPT TESTED
BLACK O-RING INSTALLED
FINISH IS NICKEL BORON
HEADSPACE BOLT FOR PURCHASED BARREL
CONSTRUCTED FROM 9310 ALLOY
AR-15/M16 BOLT
FOR 5.56/.223/300BLKOUT
MPI/HPT TESTED
BLACK O-RING INSTALLED
FINISH IS NICKEL BORON