AR10 (.308 Caliber) Bolt Carrier Group Nitride QPQ bcgcomponents Carrier made with 8620 Steel

Carrier made with 8620 Steel and bolt made from mil-spec Carpenter 158 Steel

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

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 one for you

We use a 9310 Vac-Arc steel Bolt over the Mil-Spec Carpenter 158 Bolt because it's stronger and after many test firings and torture tests we've found it to not only last longer but to be more durable

- Bolts Engraved with 9310/MPI

AR10 (.308 Caliber) Bolt Carrier Group Nitride QPQ bcgcomponents Carrier made with 8620 SteelThis is our AR10 Nitride Treated Bolt Carrier Group. This comes fully assembled and ready to drop into your AR Build. Nitride coating provides not only a high core strength but give the Bolt Carrier group a tough exterior coating. The rockwall rating on this Nitride Treatment is 75 giving it a high wear resistance and made to take a beating. This is a DPMS compatible Bolt Carrier group and comes oiled but it is recommended to keep this BCG clean and