Description
| Brand | Proof Research |
|---|---|
| Manufacturer part # | 128671 |
| Details | CARBON FIBER | .750 GAS BLOCK |
| Model | PR15 Carbon Fiber AR Barrel |
| Caliber / gauge | 6mm ARC |
| Barrel length | 18" |
| Finish | Stainless |
| Weight | 1 lb. 14 oz. |
| Rate of twist | 1-in-7.5 |
| Thread pattern | 5/8×24 |
| Family | PR15 Series |


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