Faxon Firearms AR-15 5.56 NATO 9310 Steel Bolt Salt Bath Nitride MPI FF556BCNITRIDE
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Faxon Firearms AR-15 5.56 bolt constructed from 9310 tool steel and finished with a salt bath nitride treatment. This bolt is Magnetic Particle Inspected (MPI) to verify material integrity, and the bolt lugs are chamfered for smoother cycling. The extractor is made from S7 tool steel and is installed with a spring, silicone insert, and Crane O-ring to support reliable extraction.
Product Highlights
- 9310 tool steel bolt construction for 5.56 NATO / .223 AR-15 applications
- Salt bath nitride finish for reduced friction and improved corrosion resistance
- Magnetic Particle Inspected (MPI) for added confidence in material integrity
- Chamfered bolt lugs for reliable cycling under higher pressure loads
- S7 tool steel extractor with spring, silicone insert, and Crane O-ring installed
Specifications
- Manufacturer:
- Faxon Firearms
- Category:
- bolt-carrier-group
- Caliber:
- 5.56x45mm NATO
- Platforms:
- AR-15
- UPC:
- 8228871241850
- MPN:
- FF556BCNITRIDE
- Required Component:
- Yes
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