Description
Proof Research 128688 is an AR-Style barrel chambered for 6mm ARC. It has an 18 in rifle length and a 1:7.5 in twist rate. The barrel uses a stainless steel finish and a .750 in gas journal diameter.
Key Features
- Chambered for 6mm ARC
- 1:7.5 in rate of twist
- 18 in rifle length barrel
- .750 in gas journal diameter
Specifications
| Fits | AR-Platform |
|---|---|
| Part Type | AR-Style Barrel |
| Caliber | 6mm ARC |
| Rate of Twist | 1:7.5 in |
| Barrel Length | 18 in |
| Material | Traditional Steel |
| Finish | Stainless Steel |
| Gas Journal Diameter | .750 in |
