AR10 (.308 Caliber) Bolt Carrier Group Nitride QPQ
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
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- Reviews (18)
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om pw. Read LessRead less about Fit and finish is flawless. Gas keys
the less, looking at the least expensive parts first, I sent the bolt catch to the manufacturer and they found no issues, using it in two separate weapons. I then turned to the Bolt Carrier Group, and purchased this one from Prime. No more problems, performs perfectly every time! The bolt catch holds the bolt carrier back as it should with any magazine brand I've tried.
Just ordered another one for another build. Read LessRead less about I was having bolt catch performance