AR15/M16 Left Handed Nitride Bolt Carrier Group 5.56/.223 6.8 the NiB P1W5XG coating has

the NiB P1W5XG coating has a polished gun metal look and WILL NOT FLAKE

*Video demonstrates the 308 Bolt Carrier Group not the 5

- Manganese Phosphate Coated

With the added hardness you have a slick feel allowing the bolt carrier group to cycle twice as long as most bolt carrier groups without the need to oil and clean the rifle

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 unlike standard Hot/Cold rolled 9310 steels

AR15/M16 Left Handed Nitride Bolt Carrier Group 5.56/.223 6.8 the NiB P1W5XG coating hasCarrier made with 8620 Steel and bolt made from 9310 Vac Arc Premium Carburizing Steel which has a high core hardness and high fatigue strength unlike standard Hot cold rolled 9310 steels. The nitride coating is the strongest plate available, it's the same protective finish that's used in gun barrels and CNC tool protection. If you're looking for a bolt carrier that's going to hold up against the roughest conditions then this bolt carrier group is the