This 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 oiled regularly.

- 8620 Steel Carrier Nitride treated

- 9310 Steel Bolt Nitride Treated

- MPI (Magnetic Particle Inspected)

- Shot Peened

- Nitride Treated Gas Key and Extractor

- Enhanced Firing Pin Retaining Pin

- Enhanced Ejector

- Enhanced Extractor Pin

- Gas key properly staked

- Carrier Engraved with Made in USA