Check the listing for details. Redding Instant Indicator 204 Ruger With Dial Indicator (Gunsmithing). Condition: New other (see details). Listed at 150.00 USD. Elevate your gunsmithing precision with the Redding Instant Indicator, specifically designed for .204 Ruger cartridges. This Headspace and Bullet Comparator is a must-have tool for ensuring correct headspacing and optimal performance. The inclusion of a dial indicator allows for accurate and consistent measurements, essential for anyone serious about rifle accuracy and component tolerances. The Redding Instant Indicator is a non-vintage, dedicated tool for the modern shooter. It comes with a convenient travel case, ensuring that it stays protected between jobs. Whether you're a seasoned gunsmith or a passionate enthusiast, this tool is designed to provide clarity and reliability in your reloading processes.