The Proof Bbl Cf Blank Bolt .264 Sendero 18 1-8 from Proof Research delivers precision manufacturing and proven performance for long-range rifles, featuring a carbon fiber finish that blends strength with reduced weight to enhance handling and recoil management. This 18-inch barrel is chambered in 264, with a tight 1-8 twist that optimizes stability for high-BC projectiles, while the Sendero contour provides a balanced, rugged profile suitable for demanding field conditions. With a breech length of 2.5 and a shank diameter of 1.20, the barrel integrates seamlessly with compatible receivers to deliver consistent shot-to-shot accuracy. Weighing approximately 2 pounds 10 ounces, its lightweight construction supports agile handling in the field without sacrificing rigidity or durability. The carbon fiber finish not only contributes to a sleek, modern aesthetic but also helps dissipate heat effectively during extended shooting sessions. Ideal for precision rifle builds where reliability, consistency, and streamlined ergonomics are paramount, this Proof Research component enables shooters to harness the performance advantages of a purpose-designed Sendero-style profile in a compact, versatile 264-caliber setup.