Aero Precision .308 Winchester Bolt Carrier Group
$195.00
Aero Precision .308 Winchester Bolt Carrier Group
Shop for M5 308 Bolt Carrier Groups at Aero Precision. Our BCGs are HPT/MPI and are the perfect firing mechanize for your next large caliber AR 10 build.
Aero Precision 308 Phosphate Bolt Carrier Group
Our .308 / 7.62 Bolt Carrier Group is an excellent choice for your big-bore rifle build. This high-quality BCG has a mil-spec phosphate finish, is MPI/HPT tested, and now features a laser-engraved Aero Precision ‘A’ logo!
Carrier Features:
- Made from 8620 Tool Steel (Carrier) and 9310 Steel (Bolt)
- Finish: Mil-spec phosphate coating
- Gas Key: Made from 4130 Steel, attached with Grade 8 hardware, and properly staked
- Firing Pin: Made from 8740 steel and hard chrome coated
- Forward assist serrations
- Laser-engraved Aero Precision logo
- Fits AR .308 compatible uppers and rifles
Bolt Features:
- Material: Case-hardened 9310 Steel
- Finish: All bolt parts are shot peened and phosphate coated
- Extractor: Made from 4340 Steel with double O-rings and double springs
- Magnetic Particle Inspected and High Pressure Tested
- High-pressure bolt – external surfaces are CNC ground after heat treatment for a precise fit, and the firing pin hole diameter is reduced to .070″
- Multi-caliber bolt designed to work with .308, 7.62×51, .338 Federal, and other .308-based cartridges.
Includes:
- Bolt carrier
- Complete bolt
- Firing pin
- Cam pin
- Retaining pin
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