Engineered for high-performance, full-power magnum handgun loads, Accurate 4100 is a double-base, slow-burning spherical powder that delivers exceptional velocity, power and consistency. Designed with precision metering capabilities, this powder ensures smooth, uniform charges-a must-have for reloaders who demand flawless accuracy and top-tier performance. Ideally suited for .357 Mag, .41 Mag, .44 Mag, .454 Casull, .460 S&W and .500 S&W, Accurate 4100 excels in both hunting and competitive shooting applications, offering the reliability and power needed to perform at the highest level. Manufactured in Belgium to exacting standards, this powder provides consistent ignition, optimized burn rates and superior ballistic stability-shot after shot. For reloaders looking to maximize magnum handgun performance, Accurate 4100 is the go-to choice, delivering unparalleled power, precision and reliability in every round.