Description
Proof Research PR15 CF is an 18 in AR-style barrel chambered for 6mm ARC. It uses a 1-in-7.5 rate of twist for stabilized bullet flight and features a .750 gas journal diameter. The barrel comes finished in black carbon fiber and is built on 416R stainless steel.
Key details
- Caliber: 6mm ARC
- Barrel length: 18 in
- Rate of twist: 1-in-7.5
- .750 gas journal diameter
- Black carbon fiber finish
- 416R stainless steel construction
Specifications
| Caliber | 6mm ARC |
|---|---|
| Barrel Length | 18 in |
| Rate of Twist | 1-in-7.5 |
| Gas Journal Diameter | .750 in |
| Material | 416R Stainless Steel |
| Finish | Black Carbon Fiber |



