Proof Research .308 24″ Sendero CF Barrel Blank 1:9 Twist

Description

This Proof Research barrel blank is a carbon-fiber wrapped bolt-action barrel engineered for shooters building lightweight, precision-capable rifles. It is specified for .308 caliber and uses a 1:9 twist rate in the Sendero contour, offering a balance of rigidity and reduced weight versus traditional steel barrels. The blank format provides the flexibility to chamber and finish to the builder’s specifications. Construction includes a high-strength carbon fiber wrap bonded with a proprietary matrix resin to improve heat dissipation and reduce overall mass.

Key Specifications

• The caliber is .308.
• The barrel length is 24 inches.
• The rate of twist is 1:9.
• The contour is Sendero.
• This item is a bolt-action barrel blank.
• The barrel is carbon fiber wrapped using aerospace-grade fiber and proprietary resin.
• The bore type is rifled.
• The blank features 5 grooves.
• The breech length measures 2.5 inches.
• The shank diameter is 1.20 inches.

As a lightweight, carbon-wrapped Sendero blank from Proof Research, this barrel is intended for builders focused on reducing rifle weight while retaining accuracy potential. Its 1:9 twist and Sendero contour make it suitable for a range of .308 projectiles, and the blank format gives gunsmiths control over chambering and final fitment. The carbon-wrapped construction also contributes to improved heat management during extended strings of fire, making it a practical choice for precision shooters seeking a modern, high-performance barrel foundation.