Before and After of Sig Sauer P229 refinished with EXO Nickel Boron. https://t.co/kB4BpHoMBb
6.8 SPC Bolt Assembly
This 6.8 SPC bolt and extractor have been coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance. EXO Nickel Boron makes for easy cleanup and will improve the performance of your rifle. This 6.8 SPC bolt assembly is also compatible with the 6.8 SPC II cartridges. The Extractor hardware includes a heavy spring, silicone insert, and o-ring to give better extraction tension.