Description
| Brand | Proof Research |
|---|---|
| Manufacturer part # | 101292 |
| Details | CARBON FIBER | .875 GAS BLOCK |
| Model | PR10 Carbon Fiber AR Barrel |
| Caliber / gauge | 308 Win |
| Barrel length | 20" |
| Finish | Stainless |
| Weight | 2 lbs. 11 oz. |
| Rate of twist | 1-in-10 |
| Thread pattern | 5/8×24 |
| Family | PR10 Series |


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