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Mfg Item #: 55DA296
This MK9 bolt assembly is made of 8620 steel and has a Phosphate finish.
| Size | AR-15 |
|---|---|
| Type | Barrel Nut |
| Model | Barrel Nut |
| Series | AR-15 |
| Material | 6061-T6 Aluminum |
| Dimensions | 9" L |