Faxon Firearms FF556BCGCNITRIDE Bolt Carrier Group M16 5.56x45mm NATO Salt Bath Nitride 9310 Steel For Rifle

Faxon Superfinished 5.56 M16 Bolt Carrier Group- Nitride - Category: Rifle Parts - Platform: AR15 - Series: Bolt Carrier Groups - Caliber/Cartridge: 5.56 NATO - The Faxon Superfinished 5.56 M16 Bolt Carrier Group (Nitride) is a high-performance full-auto compatible BCG engineered to deliver smooth cycling reliable extraction and long service life in AR-15 and M16-pattern rifles. Starting with MIL-SPEC as the baseline Faxon refines the details that matter-material selection inspection surface treatment and finishing-to provide a bolt carrier group built for demanding shooters. - This BCG features a 9310 tool steel bolt salt bath nitride treatment on the bolt and carrier for increased surface hardness and corrosion resistance and Faxon•s Superfinish on the carrier body to help reduce friction and fouling for easier maintenance. - Why Choose Faxon Superfinished BCGs• - Faxon Bolt Carrier Groups are designed for consistent function in hard-use rifles- from high round-count training to competition and defensive builds. The bolt is MPI tested to verify material soundness the gas key is secured with grade 8 fasteners and fully staked and the assembly is built to maintain reliable action with modern triggers and full-auto fire control groups. - Key Features - 9310 Tool Steel Bolt - Salt Bath Nitrided Bolt & Carrier for hardness and corrosion resistance - Superfinished Carrier Body to reduce friction and fouling - Magnetic Particle Inspection (MPI) for quality assurance - Full MIL-SPEC Heat Treatment and shot peened to MIL-SPEC - Back of lugs chamfered for reliable cycling - S7 Extractor - Spring insert & Crane O-ring installed - Full-auto compatible (M16 pattern) with forward assist serrations - Gas key with grade 8 fasteners and full staking - Detailed Specifications - 9310 Tool Steel Bolt - Full MIL-SPEC Heat Treatment - Shot Peened to MIL-SPEC - Magnetic Particle Inspection (MPI) - Back of Lugs Chamfered for Reliability - Spring Insert & Crane O-Ring Installed - Salt Bath Nitrided Bolt & Carrier - S7 Extractor - Superfinished Carrier Body - Full Auto Compatible - Forward Assist Serrations