• 9310 tool steel - higher hardness than 8620 mil-spec
  • S7 tool steel extractor for long-cycle durability
  • Nitride finish - lower friction, better corrosion resistance than phosphate
  • Bolt lugs chamfered 45 degrees for reliable feeding even on hot hand loads
  • Fully MPI (magnetic particle inspected) - verified material soundness

Full details and secure checkout: https://3crtactical.com/faxon-5-56-9310-bolt-nitride/