AR-15 Bolt Head 5.56

5.56 PHOSPHATE BOLT COMPLETION KIT

TNTE M16 9310 Bolt Carrier Group Assembly .223/5.56

Fail Zero M16/M4 Bolt Carrier Group Black Nitride

TNTE M16 Mil-Spec Bolt Carrier Group Assembly .223/5.56 - Black Nitride - Made in U.S.A.

5.56 M16 BCG and Charging Handle Kit

TNTE M16 C158 Bolt Carrier Group Assembly .223/5.56

QPQ 5.56 M16 BCG and Charging Handle Kit

TNTE Nickel Boron M-16 BCG Matte

6.8 SPC II M-16 Bolt Carrier Group

5.56 M-16 Phosphate BCG with BCM Gunfighter

TNTE Enhanced M16 Mil-Spec Bolt Carrier Group Assembly 7.62x39 - Black Nitride - Made in U.S.A.