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SKU: 100020760
Built as a complete, fully assembled bolt carrier group for AR15, M16, or M4 platforms, this unit is intended for shooters who want a Mil-Spec-style component ready for installation. It features a parkerized exterior, a chrome-lined inside carrier, and a proper Mil-Spec gas key secured with Grade 8 fasteners and staking to Mil-Spec standards. The bolt assembly is machined from Carpenter No. 158A steel and shot peened, with a tool steel machined extractor included. For hunters and field users who value a straightforward, duty-oriented setup, it offers a practical foundation without unnecessary extras.
Fully Assembled
Complete bolt carrier group for
Machined Usgi
Specifications for Mil-Spec compatibility
Includes Proper
Grade 8 fasteners and staking
Parkerized Exterior
Chrome-lined carrier interior
Bolt Assembly
Uses Mil-Spec Carpenter No. 158A
| Assembly Status | fully assembled |
|---|---|
| Bcg Type | complete bolt carrier group |
| Blade Finish | Parkerized exterior |
| Bolt Material | Carpenter No. 158A(R) steel |
| Bolt Treatment | shot peened |
| Carrier Interior | chrome lined |
| Color | Fde |
| Compatibility | AR15, M16, or M4 |
| Extractor | tool steel machined extractor |
| Gas Key | proper Mil-Spec gas key |
| Gas Key Fasteners | USGI domestic mfg Grade 8 fasteners |
| Gas Key Finish | chrome lined |
| Gas Key Heat Treatment | heat treated per GI specifications |
| Gas Key Staking | properly staked per Mil-Specs |
| Manufacturing Standard | USGI specifications |
| Mpi | yes |
| Version | auto version |
It is described as a complete bolt carrier group for AR15, M16, or M4 platforms, and it is the auto version.
Yes. The product description states that the BCMA(R) (MPI) complete bolt carrier group is fully assembled.
The carrier is described as having a parkerized exterior and a chrome lined inside carrier.
The carrier includes the proper Mil-Spec gas key. The gas key is described as chrome lined and heat treated per GI specifications, and it is secured with USGI domestic manufactured Grade 8 fasteners and properly staked per Mil-Specs.
The bolt assembly is described as machined from the correct Mil-Spec Carpenter No. 158A(R) steel, shot peened for increased strength, and it includes a tool steel machined extractor.