5.56 EXO Boron Bolt Carrier Group - P-BCG-556-EXO

$185.00 each



AR-15/M16 Bolt Carrier Group featuring our Patent Pending Buffer Technology.

*Bolt Carrier, heat treated 8620

*Bolt Carrier FailZero EXO Nickel Boron Coating

*Integrated polymer buffer

*Eliminate metal on metal contact

*Eliminates contact between the hardened steel carrier, aluminum receiver extension and buffer

*Self lubricating, shock absorbing, and has seven times the abrasion resistance of carbon steel

*Reduction in felt recoil and vibration

*5.56 Bolt (Carpenter 158, phosphate) and Cam Pin are not EXO NiB coated

*We do not NiB our Bolts due to potential headspacing issues