Proof Research Stainless Steel Barrel Blank .257 Cal 28" 1:7.5 Twist 5 Groove Heavy Competition

Proof Research Stainless Steel Barrel Blank .257 Cal 28" 1:7.5 Twist 5 Groove Heavy Competition

The Proof Research Stainless Steel Barrel Blank is a match-grade bolt-action barrel blank chambered in .257 caliber and engineered for precision competition and custom rifle applications. This configuration features a 28-inch length with a fast 1:7.5 twist rate optimized for stabilizing modern high-BC .25 caliber projectiles commonly used in long-range and competition shooting disciplines. Precision 5-groove rifling is designed to improve bore consistency, reduce fouling accumulation, and provide repeatable accuracy throughout extended shot strings and high round-count use. The Heavy Competition contour increases rigidity and minimizes harmonic variation for enhanced shot-to-shot consistency.

Manufactured from match-grade stainless steel, the barrel is built to maintain thermal stability and durability under demanding firing schedules. The 1.25-inch breech diameter provides a robust foundation for precision rifle builds requiring maximum rigidity and strength. As a barrel blank, this configuration is supplied unchambered and unthreaded, allowing complete customization by a gunsmith for chamber dimensions, muzzle threading, and final application fitment. Designed for PRS, F-Class, and long-range competition platforms, this barrel combines premium steel construction with match-grade precision performance.

A signature is required upon delivery for this product. Please make sure someone 21 or older is available to sign when the package arrives. For more information, give us a call at 817.928.5245