Product Description The BSF BARRELS SF3IYT0263 is a precision-engineered 22-inch bolt-action barrel chambered in .223 Remington, designed for shooters who demand both accuracy and weight savings. BSF&';s proprietary construction method begins with a 416R stainless steel match-grade barrel that is turned down and then jacketed in a roll-wrapped carbon fiber sleeve loaded under tension. Unlike conventional carbon fiber wrapping methods that trap heat and risk delamination, BSF&';s tensioned jacketing approach uses a carbon fiber material specially formulated to expand at the same rate as 416R stainless steel. This ensures the rifling remains straighter as the barrel heats up, delivering consistent, match-grade accuracy across extended shooting sessions. The result is a barrel that combines superior stiffness, outstanding heat management, and an exceptionally lightweight profile. With a 1:8 twist rate optimized for .223 Rem, a 5/8x24 thread pattern for suppressor or muzzle device compatibility, and a button-rifled bore, the SF3IYT0263 is built for precision bolt-action applications. Product Highlights 416R Stainless Steel Match Core: A precision-turned match-grade stainless steel barrel provides the accuracy foundation, with a button-rifled bore for consistent performance. Tensioned Carbon Fiber Jacketing: The roll-wrapped carbon fiber sleeve is loaded under tension rather than simply wrapped, preventing heat trapping and delamination while maintaining superior stiffness. Thermal Stability by Design: The carbon fiber is engineered to expand at the same rate as 416R stainless steel, keeping rifling straighter under heat for sustained accuracy during extended fire. Lightweight Build at 41.10 oz: The carbon fiber construction dramatically reduces overall barrel weight compared to a full stainless profile, making it ideal for field and precision applications. Suppressor and Muzzle Device Ready: The 5/8x24 threaded muzzle pattern allows direct attachment of popular suppressors and muzzle devices without adapters. Specs Brand: BSF BARRELS Manufacturer Part Number (MPN): SF3IYT0263 UPC: 615678786981 Caliber: .223 Remington (22 Cal) Action Type: Bolt-Action Barrel Length: 22" Twist Rate: 1:8" Barrel Material: 416R Stainless Steel Barrel Finish: Carbon Fiber Rifling: Button Rifled Thread Pattern: 5/8"x24 Weight: 41.10 oz Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer. ]]>