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SKU: 430103072
Built for AR-15 owners assembling or refreshing a 5.56 NATO setup, this bolt carrier group is positioned as a core operating component rather than an accessory. The listed configuration includes an M16-cut carrier, forward assist serrations, a properly staked gas key, and a black nitride finish, with the bolt machined from 9310 steel. It suits hunters and shooters who want a straightforward, no-logo option for a rifle built around 5.56 NATO use. At 11.52 oz., it offers a specific weight profile, while the included extractor insert and marked testing details provide useful information for buyers comparing build specs.
M16-cut Carrier
Supports standard AR-15 compatibility
Properly Staked
Gas key is listed in
Forward Assist
Serrations are included on the
Available Without
Or without Aero Precision "A"
Hpt Tested
MPI marked bolt is specified
| Blade Finish | Black Nitride |
|---|---|
| Bolt Channel | Chrome lined bolt channel |
| Bolt Material | 9310 steel |
| Bolt Option | 5.56 Bolt |
| Caliber | 5.56mmx45 NATO |
| Carrier Material | 8620 steel |
| Carrier Type | M16-cut carrier |
| Extractor Insert | Black o-ring insert |
| Forward Assist Serrations | Yes |
| Gas Key | Properly staked gas key |
| Gas Key Finish | Chrome lined gas key |
| Logo | No Aero 'A' Logo |
| Phosphate Coating | Mil-Spec phosphate coating |
| Platform | AR-15 |
| Shot Peened | Yes |
| Testing | HPT tested/MPI marked |
| Weight | 11.52 oz. |
The product title and description identify it as a 5.56mmx45 NATO bolt carrier group for AR-15 builds.
The provided data lists a carrier machined from 8620 steel. It also lists a 5.56 bolt machined from Carpenter 158 tool steel in one description, and a 9310 steel bolt in the nickel boron description. The source data includes both material listings.
The source data says it is available with or without the "A" logo, and also notes "No Aero 'A' Logo" for the nickel boron version.
The source data lists a mil-spec phosphate coating for the chrome lined phosphate version, and black nitride in the product title. It also separately mentions a nickel boron BCG in the description.
The description states that the bolt is shot peened and HPT tested/MPI marked.