The Proof Research CF Blank Bolt .284 Send Light 20 1-8 combines precision engineering with field-ready performance, delivering a reliable foundation for high-accuracy rifle builds. Built around caliber .284, this 20-inch barrel showcases a lightweight Sendero Light contour that maintains rigidity and balance, making it an ideal choice for long-range hunting, target shooting, and precision rifle applications. The 1-8 twist rate provides versatile stabilization for a range of bullets, while the 2.5-inch barrel breech and 1.20-inch shank diameter are engineered for dependable chamber alignment and consistent bore alignment under demanding conditions. Weighing in at just 2 pounds 9 ounces, this component adds minimal weight to your rifle without compromising stiffness or accuracy, helping shooters maintain steady follow-up shots in field environments. The combination of Proof Researchs craftsmanship and the CF blank bolt approach offers a clean, repeatable interface that integrates seamlessly with compatible receivers, enabling smoother installation, dependable lockup, and repeatable performance shot after shot. Whether youre building a high-performance long-range rig or upgrading an existing platform, this barrel and bolt pairing is designed to maximize velocity retention, stability, and overall precision for serious shooters.