Faxon FF556BCGCNITRIDE BCG M16 5.56 NATO Salt Bath Nitride

The Faxon FF556BCGCNITRIDE is a complete M16-style bolt carrier group built for service use and sustained operation. It features a salt bath nitride finish on the carrier and bolt for enhanced surface hardness and corrosion resistance. The bolt is made from 9310 steel and all bolts receive MPI testing to verify material integrity. The assembly is full-auto rated and includes an S7 extractor plus a staked gas key with grade 8 fasteners.

Key Specifications

• Compatible with M16-style rifles and AR-15 platforms.
• Chamber/cartridge specified as .223 Rem / 5.56x45mm NATO.
• Bolt material is 9310 steel.
• Finish listed as Salt Bath Nitride for corrosion resistance.
• The group is full-auto rated for M16-style operating systems.
• All bolts are MPI tested to verify material soundness.
• Extractor specified as an S7 extractor.
• Gas key uses grade 8 fasteners and is fully staked.
• Includes spring, insert and Crane O-ring installed.
• Manufactured in the United States.

This bolt carrier group delivers the durability and functional features expected for duty-style and serious-range use. Its combination of a nitrided finish, tested 9310 bolt, and robust component fitment is aimed at shooters who prioritize reliable cycling and long-term service life in varied conditions.