IMR Enduron 8133 is the slowest burn rate in the Enduron family, engineered for magnum cartridges. Features copper fouling elimination, temperature insensitivity, and perfect loading density for superior uniformity and accuracy.
IMR Enduron 8133 represents the slowest burn rate in the Enduron propellant lineup, specifically formulated for magnum rifle cartridges. This powder delivers the performance characteristics serious handloaders demand when working with large-capacity cases.
Ideal for Magnum Cartridges
Enduron Series Advantages
This powder is engineered for handloaders who demand consistency and precision. The perfect loading density means your magnum cases fill properly at maximum charges, eliminating the dead space that can reduce accuracy. Whether you're developing loads for long-range hunting or precision target shooting, Enduron 8133 provides the uniformity needed for tight shot groups.
The copper fouling eliminator is particularly valuable for magnum shooters, as these high-velocity loads generate more fouling. Extended barrel life means more shooting and better long-term accuracy.
8 lb. container with HAZMAT shipping required.