PROOF Research PXT .308 18″ Carbon Fiber Barrel Blank Sendero

The PROOF Research PXT .308 Carbon Fiber Barrel Blank is a high-performance barrel designed for custom rifle builders and gunsmiths. With its 18-inch length, Sendero contour, and innovative PXT rifling, this barrel offers a lightweight yet durable foundation for precision long-range systems and modern high-performance rifle builds.

• Key Features
  • PXT (PROOF Exponential Twist) rifling for reduced wear and improved consistency
  • Carbon fiber construction for exceptional stiffness-to-weight ratio
  • Lightweight design with a weight of 2 lbs 8 oz
  • 18-inch barrel length with a 1-10 twist rate
  • Shank diameter of 1.20 inches and barrel breech of 2.5 inches

The PXT technology redefines conventional rifling geometry, minimizing throat erosion and creating a smoother projectile transition into the bore. This results in less felt torque, improved recoil control, and enhanced barrel life, with testing showing a 30-100% increase in longevity. Ideal for lightweight hunting rifles and precision applications, this barrel blank maintains the accuracy standards expected from PROOF Research.

Available for purchase from ICB Firearms, where knowledgeable service and fast nationwide shipping are offered.