AR-15 Bolt Head 5.56

5.56 PHOSPHATE BOLT COMPLETION KIT

Rubber City Armory 5.56 M16 Carrier

Fail Zero Nickel Boron Bolt 5.56

RCA 5.56 Enhanced Bolt

RCA 7.62x39 Enhanced Bolt and Firing Pin

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

Anderson M16 5.56/.223 Complete Bolt and Carrier Group

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

5.56 M16 BCG and Charging Handle Kit

DSA AR15 M16 Cut NTFE Coated Sand Cut Enhanced Bolt Carrier Group

QPQ 5.56 M16 BCG and Charging Handle Kit