Aero Precision .308 / 7.62 BCG w/9310 Bolt - Aero Logo - Black Nitride (C)

This bolt carrier group features a Black Nitride finish for minimized friction and easier cleaning, along with a laser-engraved Aero Precision logo for clear identification. The carrier is machined from 8620 tool steel, while the bolt is crafted from case-hardened 9310 steel, both subjected to rigorous MPI and HPT testing for durability.

Features

• Black Nitride finish for reduced friction and maintenance
• Carrier machined from 8620 tool steel
• Bolt made from case-hardened 9310 steel
• Gas key constructed from 4130 steel, attached with Grade 8 hardware and properly staked
• Firing pin machined from 8740 steel with hard chrome coating
• Forward assist serrations for enhanced function
• Laser-engraved Aero Precision logo
• Extractor machined from 4340 steel with double o-rings and double springs
• Magnetic Particle Inspected (MPI) and High Pressure Tested (HPT)
• Multi-caliber bolt compatible with .308, 7.62x51, .338 Federal, and other .308-based cartridges

Specifications

• MPN: APRH308186C
• UPC: 815421020168
• Carrier Material: 8620 tool steel
• Bolt Material: 9310 case-hardened steel
• Gas Key Material: 4130 steel
• Firing Pin Material: 8740 steel, hard chrome coated
• Finish: Black Nitride
• Includes: Bolt carrier, complete bolt, firing pin, cam pin, retaining pin
• Compatibility: AR .308 style uppers and rifles
• Firing pin hole diameter: 0.070"