Proof Research Sendero CF Blank Barrel .264 Cal 22″ 1:8

The Proof Research 100905 Sendero is a carbon-fiber-wrapped bolt-action barrel blank chambered in .264 caliber. It measures 22 inches and uses a 1:8 rifling twist, combining a 416R stainless steel bore with an aerospace-grade carbon fiber wrap to reduce mass and improve heat management. Engineered to reduce harmonic vibration and provide match-grade accuracy, this Sendero contour blank is aimed at precision-oriented custom builds and hunting rifles where weight and thermal stability matter.

Key Specifications

• The barrel measures 22 inches.
• Chambered for .264 caliber.
• The rifling twist rate is 1:8.
• Features a Sendero contour.
• Constructed from 416R stainless steel with an aerospace-grade carbon fiber wrap.
• This is a blank bolt-action barrel.
• Bore type is rifled.
• Features 4-groove rifling.

For builders seeking a lightweight, thermally stable platform for precision shooting or hunting, the Proof Research Sendero carbon-fiber-wrapped blank provides a quality starting point. Its combination of stainless steel bore and high-strength carbon fiber wrap is designed to balance accuracy potential with improved heat dissipation and reduced harmonic vibration, making it well suited for custom bolt-action rifle projects.