The PROOF RESEARCH Savage pre-fit carbon fiber barrels are meticulously engineered for precision and performance, offering a seamless upgrade for your firearm. Available in a variety of calibers, lengths and twist rates, these barrels are designed with a standard straight taper contour to ensure optimal balance and accuracy. Each barrel arrives pre-threaded and expertly chambered, allowing for a straightforward installation process. Simply spin the barrel onto your action, set the headspace using Gauges and secure it with the barrel nut for a perfect fit. Experience the superior strength and lightweight benefits of carbon fiber, enhancing your shooting experience with improved handling and reduced recoil. Whether you're a competitive shooter or a hunting enthusiast, these barrels provide the reliability and precision you demand. Up to 64% lighter compared to traditional steel barrels with a similar contour Enhanced thermal resistance - optimized heat dissipation for cooler and more durable barrels The product exhibits exceptional durability, being encased in high-strength, aerospace-grade carbon fiber that is infused with a proprietary matrix resin Barrel twist rate - 1:8