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

Designed for consistent performance over extended use, the Aero Precision .308 / 7.62 BCG with 9310 Bolt and phosphate finish is engineered to meet the demands of long-term reliability in AR .308 compatible platforms. Its construction and rigorous testing standards support dependable operation in a variety of big-bore rifle builds.

This bolt carrier group features a mil-spec phosphate coating and is both Magnetic Particle Inspected (MPI) and High Pressure Tested (HPT) to ensure structural integrity. The carrier is machined from 8620 tool steel, while the bolt is crafted from case-hardened 9310 steel for enhanced durability.

Features

• Carrier machined from 8620 tool steel
• Bolt made from case-hardened 9310 steel
• Mil-spec phosphate finish for corrosion resistance
• 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
• Laser-engraved Aero Precision logo
• Compatible with AR .308 style uppers and rifles

Specifications

• MPN: APRH308184C
• UPC: 815421020144
• Extractor machined from 4340 steel with double o-rings and double springs
• All bolt components are shot peened and phosphate coated
• High pressure bolt with CNC-ground external surfaces after heat treat
• Reduced firing pin hole diameter to 0.070"
• Multi-caliber bolt functions with .308, 7.62x51, .338 Federal, and other .308-based cartridges
• Includes bolt carrier, complete bolt, firing pin, cam pin, and retaining pin
• MPI/HPT tested for quality assurance