AR/15M16 - 5.56/223 Bolt Carrier Group Titanium Nitride 223bcg High quality beanie

High quality beanie

It is heat treated and hardened to USGI Standards for increased strength

-Both Glock and Colt pattern compatibility

- 9310 Vac-Arc Steel Bolt Nickel Boron Coated

This is a Mil-Spec bolt assembly with enhanced features for those looking to complete a bolt carrier group

AR/15M16 - 5.56/223 Bolt Carrier Group Titanium Nitride 223bcg High quality beaniePrime Weaponrys M16 Titanium Nitride Bolt Carrier Group, ready for installation. The bolt is 5. 56 223. Titanium Nitride finish provides a unique look, while provide excellent lubricity, hardness and corrosion resistance. Carrier is made with 8620 hardened steel and the bolt is made from 9310 Vac Arc Premium Carburizing Steel which has a high core hardness and high fatigue strength. Gas Key is properly staked, and bolt is magnetic particle tested.