Medium-burn rifle powder originally developed for 5.56 NATO. Ideal for .223 Remington, AR-15 loads, and 6 PPC benchrest shooting. Tubular grain design ensures consistent performance.
Vihtavuori N133 is a medium-burn rifle powder engineered for precision and consistency. Originally developed for the 5.56 NATO cartridge, this multipurpose powder has earned its reputation among serious handloaders and competitive shooters worldwide.
Grain Design: Tubular powder with consistent 11mm length and 8mm diameter dimensions, ensuring reliable metering in powder measures.
Burn Rate: Medium on the Vihtavuori scale, positioning it perfectly for standard rifle velocities without excessive pressure.
Benchrest shooters and practical competitors rely on N133 paired with quality brass—particularly Lapua .220 Russian cases—because it delivers the consistency that separates winners from the rest. The tubular grain design meters cleanly and burns uniformly, shot after shot. Whether you're loading for competition or precision hunting, N133 offers the reliability that serious handloaders demand.
One pound container.