AR15/M16 Left Handed Nitride Bolt Carrier Group 5.56/.223 6.8 - 8620 Steel Carrier Nitride

- 8620 Steel Carrier Nitride 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

*Video demonstrates the 308 Bolt Carrier Group not the 5

This Bolt carrier group will hold up in the harshest conditions and outlast and compete with the best BCG's on the market

- Manganese Phosphate Coated

AR15/M16 Left Handed Nitride Bolt Carrier Group 5.56/.223 6.8 - 8620 Steel Carrier NitrideCarrier 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