Product DescriptionThe PROOF RESEARCH Carbon Fiber PXT Barrel Blank is built for shooters and gunsmiths who want premium barrel performance with a lightweight, rigid construction. Chambered for .243 caliber applications, this 18 inch barrel blank features a carbon fiber wrapped design with stainless steel components for strength, consistency, and reduced weight. Its Sendero contour, 1:7.5 twist rate, 2.5 inch breech, and 1.20 inch shank make it a strong choice for precision-focused bolt-action rifle builds and custom projects.Product Highlights Premium Carbon Fiber PXT barrel blank engineered for lightweight strength and precision performance .243 caliber configuration with an 18 inch barrel length for compact, capable custom rifle builds 1:7.5 twist rate designed to support modern .243 caliber projectile stabilization needs Sendero contour offers a proven profile for precision-oriented applications Stainless steel construction elements with 2.5 inch breech and 1.20 inch shank dimensions Specs Product Type: Barrel Blank Application: Bolt-action rifle build Model: Carbon Fiber PXT Barrel Blank Caliber: .243 Barrel Length: 18 in Twist Rate: 1:7.5 Contour: Sendero Material: Carbon fiber and stainless steel Finish: Stainless Breech Size: 2.5 in Shank Size: 1.20 in UPC: 843068157442 MPN: 157442 Brand: PROOF RESEARCH 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.