Upgrade your AR-15 platform with the Faxon 5.56 M16 Complete Nitrided Bolt Carrier Group. Engineered for reliability and longevity, this BCG features a 9310 tool steel bolt, offering superior strength compared to standard Carpenter 158. The full nitride treatment provides excellent wear resistance and corrosion protection throughout the entire BCG. Magnetic Particle Inspected (MPI) and heat-treated to MIL-SPEC standards, this BCG ensures consistent performance under demanding conditions. The properly staked gas key and forward assist serrations contribute to its reliability and ease of use.

Features and Specifications:

• Caliber: 5.56 NATO / .223 Remington
• Bolt Material: 9310 Tool Steel
• Carrier Material: 8620 Steel
• Finish: Salt Bath Nitride (entire BCG)
• Full Auto Rated
• MPI (Magnetic Particle Inspected)
• Shot Peened for increased strength
• Forward Assist Serrations
• Properly Staked Gas Key with Grade 8 Fasteners
• Heat Treated to MIL-SPEC standards
• Compatible with Standard AR-15 Platforms
• Superfinished for reduced friction and fouling
• Chamfered Bolt Lugs for reliable feeding
• Includes: Complete BCG with Bolt, Carrier, Cam Pin, Firing Pin, and Retaining Pin