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Mfg Item #: B2-K630-AA00
This complete 223/5.56 bolt carrier group includes Mil-Spec bolt, M16 type, bolt carrier, firing pin, retainer, and cam pin. It has a black manganese phosphate coating with ceramic lined bolt carrier and gas key.
| Frame | Steel |
|---|---|
| Model | B2-K630-AA00 |
| Casing | Black |
| Finish | Black |