The Proof Research 130452 Bolt 264 16.5 7.5Tw carbon fiber barrel blank is built for shooters who want a lighter rifle without giving up consistency. Starting with a full-profile 416R stainless steel core that is then wrapped in a proprietary carbon fiber matrix, this 16.5 inch Sendero-contour blank offers the rigidity of steel with reduced weight and excellent heat management.

This unchambered .264 caliber barrel blank with a 1:7.5 twist rate is ready to be fitted and chambered by a qualified gunsmith for your preferred 6.5mm cartridge. Its design is well suited to precision hunting rifles and long-range target builds where balance, portability, and repeatable accuracy matter. Proof Research is known for combining advanced composites with meticulous machining to deliver barrels that perform in demanding field and range conditions.

Key Features:

• Manufacturer: Proof Research
• Model: 130452 Bolt 264 16.5 7.5Tw
• Caliber: .264 (6.5mm)
• Barrel Length: 16.5 Inches
• Twist Rate: 1:7.5
• Contour: Sendero
• Material: Carbon Fiber Wrapped 416R Stainless Steel
• Type: Unchambered Barrel Blank