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Brand: NBS
NBS AR-15 9310 Bolt Assembly - Black Nitride - 51015
Save 25 %
MSRP: $59.95
$44.95
Out of stock
Out of stock
Made from 9310 Steel which has a high core hardness and high fatigue strength unlike standard Hot/cold rolled 9310 steels. This is a Mil-Spec bolt assembly with enhanced features for those looking to complete a bolt carrier group. This bolt will make sure your gun outshines the competition
– Fully Assembled 5.56/.223 Caliber Bolt
– Shot Peened
– MPI (Magnetic Particle Inspected)
– HPT (High Pressure Tested)
– Power Spring Kit
– Nitride QPQ Treated
– Engraved with MPI/9310
Weight | 4 oz |
---|---|
MPN | 51015 |
UPC | 6290 |