The Proof Research 105511 Bolt Action Barrel Blank 264 Cal 22" Sendero Contour 1:7.50" Twist 4 Grooves, Carbon Fiber Wrapped delivers exceptional rigidity and performance for precision rifle builds, combining Proof Researchs renowned carbon fiber wrapped technology with a Sendero contour for enhanced stiffness and heat dissipation. Crafted as a bolt action barrel blank in a 22" length with a 1:7.50" twist and four grooves, this rifled bore is designed to stabilize heavier 6.5 and .264 caliber projectiles across long-range engagements, delivering consistent tracking and tight groups. The carbon fiber finish reduces overall weight without compromising durability, making it an appealing choice for hunters and long-range enthusiasts seeking a balance of balance and velocity. Ideal for custom builds where a high-strength, lightweight barrel is prioritized, this profile supports sustained accuracy during precision shooting sessions and field use. Whether upgrading an existing rifle or assembling a new platform, the Proof Research 105511 barrel blank provides reliable performance, precision-focused geometry, and a modern aesthetic that complements modern, high-performance rifle systems.