The Proof Research 121658 Carbon Fiber Bolt-Action Barrel Blank, .264 Caliber, 18" Sendero Light Contour is built for shooters who want a lighter barrel without sacrificing consistency. This carbon fiber–wrapped blank combines a stainless steel core with a carefully engineered Sendero Light contour to deliver excellent stiffness, heat management, and repeatable precision for custom bolt-action builds.
With its 18-inch length, .264-caliber bore, and fast 1:7.5 twist rate, this barrel blank is ideal for modern 6.5mm cartridges once properly chambered by a gunsmith. The 2.5-inch breech and 1.20-inch shank diameter provide a solid foundation for a wide range of actions, while the approximate 2 lbs 7 oz weight helps keep hunting and long-range rifles responsive and easy to carry. Whether you are assembling a precision field rifle or a dedicated practice rig, this blank reflects Proof Research’s focus on innovation and dependable accuracy.
- Manufacturer: Proof Research
- Model: 121658 Carbon Fiber Bolt-Action Barrel Blank, .264 Caliber, 18" Sendero Light Contour
- Caliber: .264
- Barrel Length: 18 inches
- Twist Rate: 1:7.5
- Barrel Breech: 2.5 inches
- Shank Diameter: 1.20 inches
| __Twist Rate | 1:7.5 |
| __Material | Carbon Fiber, Stainless Steel |
| __Rifling | Other |
| __Barrel Length | 18.00" |
| __Model | 121658 CF Blank Bolt .264 Sendero Light 18" 1-7.5 |
| __Capacity | NA |
| __Optic Footprint | NA |
| __Action | NA |
| __Caliber | .264 Cal |
