Magnum rifle powder engineered for large-capacity cartridges. Impregnated kernels deliver consistent pressure curves, delayed ignition spikes, and up to 150 fps velocity gains over competitive powders.
Alliant Reloder 33 represents more than a century of powder-making expertise distilled into a single, purpose-built product. This smokeless magnum rifle powder is engineered specifically for shooters who demand consistency, velocity, and reliability from their handloads.
Reloder 33 features impregnated kernels that provide superior burn rate control. The powder's carefully engineered formulation delivers:
While originally developed for the .337 Lapua Magnum, Reloder 33 excels in a wide range of large-capacity and ultra-magnum cartridges. Whether you're loading for extreme long-range precision or magnum hunting rifles, this powder delivers the performance you expect.
Alliant's century-plus reputation rests on consistent, reliable products. Every 8-pound container meets rigorous quality standards, giving you confidence that your handloads will perform identically from one session to the next.