The Proof Research 105467 Bolt Action Barrel Blank in 264 Caliber with a 1:8" twist and 16.50" length delivers exceptional accuracy and consistency for builders seeking a high-performance rifle component. Featuring the Sendero contour and carbon fiber wrapped construction, this barrel blank combines rigidity and lightweight efficiency to enhance overall velocity, heat dissipation, and stability under precision-demanding conditions. The rifled bore and precise 1:8" twist are optimized for a wide range of projectiles, enabling reliable stabilization and tight groupings across common 264 calibers. Crafted as a bolt action barrel blank, it offers a clean slate for user-driven chambering and finishing, ensuring you can tailor chamber specifications to your exact shooter's preference. The Sendero contour supports a balanced profile that maintains purchase and handling feel during fieldwork, match shooting, or long-range stalking, while the carbon fiber wrapping contributes to improved thermal management and reduced weight without sacrificing durability. Ideal for the discerning builder or gunsmith, this barrel blank opens the door to custom rifles that demand proven performance, repeatable accuracy, and a professional-grade foundation from Proof Research.