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308 Winchester /7.62mm Bolt Carrier Group For Ar .308 - .308 Winchester /7.62mm Bcg W/9310 Bolt Nickel For Ar-308
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$244.99
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SKU: 100054341
Overview
Built for AR .308 compatible uppers and rifles, this bolt carrier group serves as the core firing mechanism for a .308/7.62 build. It is offered in Black Nitride, Nickel, or Phosphate finish options and includes MPI/HPT inspection, along with a laser engraved Aero Precision logo. The carrier is machined from 8620 tool steel, the bolt from 9310 steel, and the gas key uses 4130 steel with Grade 8 hardware and proper staking. For hunters and rifle builders setting up a big-bore platform, it provides a purpose-driven component choice without unnecessary extras.
Why Hunters Choose the Aero Precision
Compatible Ar
AR .308 style uppers and
Mpi/hpt Inspection
Noted in the product description
Available Black
Black Nitride, Nickel, or Phosphate
Carrier Uses
8620 tool steel; bolt uses
Gas Key
Grade 8 hardware and proper
Key Features
- .308 / 7.62 bolt carrier group for AR-308 compatible rifles and uppers
- Black Nitride finish with Nickel or Phosphate options listed
- Carrier machined from 8620 tool steel
- Bolt machined from 9310 steel
- Gas key uses 4130 steel with Grade 8 hardware and proper staking
- Includes forward assist serrations and laser engraved Aero Precision logo option
Best Used For
- AR-308 builders needing a .308/7.62 bolt carrier group for compatible uppers and rifles.
- Hunters assembling a big-bore rifle platform with Aero Precision components and logo options.
- Users wanting a BCG with Black Nitride, Nickel, or Phosphate finish choices.
- Shooters prioritizing MPI/HPT-verified parts in a .308 Winchester/7.62 build.
Specifications
| Blade Finish | Black Nitride, Nickel or Phosphate |
|---|---|
| Bolt Material | 9310 Steel |
| Carrier Material | 8620 Tool Steel |
| Compatibility | AR .308 compatible style AR Uppers and Rifles |
| Firing Pin Finish | hard chrome coated |
| Firing Pin Material | 8740 steel |
| Forward Assist Serrations | Yes |
| Gas Key Hardware | Grade 8 hardware |
| Gas Key Material | 4130 Steel |
| Laser Engraved Logo | Aero Precision 'A' logo or No Logo option |
| Mpihpt | Yes |
Pros
- Compatible with AR .308 style uppers and rifles for big-bore builds.
- MPI/HPT inspection noted in the product description.
- Available with Black Nitride, Nickel, or Phosphate finish options.
- Carrier uses 8620 tool steel; bolt uses 9310 steel.
- Gas key is 4130 steel with Grade 8 hardware and proper staking.
- Includes forward assist serrations and laser-engraved Aero Precision logo option.
Considerations & Trade-offs
- This BCG is built for AR .308 compatible style uppers and rifles, so it is not a universal fit across all AR platforms.
- Finish options vary by configuration, so buyers should confirm whether they want Black Nitride, Nickel, or Phosphate before ordering.
- The product is described as MPI/HPT, but the listing does not provide additional test details or performance data beyond that designation.
- The Aero Precision logo is included on this version, which may not suit builders looking for a plain or fully unbranded component.
Suggested Comparisons
- AR-308 upper receivers
- AR-308 complete rifles
- AR-308 bolt assemblies
- AR-308 firing pins
Suggested Accessories
- AR .308 upper receiver
- AR .308 lower receiver
- Cleaning kit
- Spare bolt carrier group parts
Frequently Asked Questions
What platform is this bolt carrier group made for?
It is made for AR .308 compatible style AR uppers and rifles, including .308 Winchester / 7.62mm builds.
What finish options are listed for this BCG?
The listed finish options are Black Nitride, Nickel, or Phosphate. The product title and description also identify the version shown as Black Nitride.
What materials are listed for the carrier, bolt, gas key, and firing pin?
The carrier is machined from 8620 tool steel, the bolt is 9310 steel, the gas key is 4130 steel, and the firing pin is machined from 8740 steel with a hard chrome coating.
Does this BCG include any inspection or testing notes?
Yes. The description states that it is MPI/HPT.
Is the Aero Precision logo included?
Yes. The description says it now includes a laser engraved Aero Precision 'A' logo, and it also notes a No Logo option.