VihtaVuori's fastest burning powder suitable for small rifle cartridges such as the 22 Hornet and 30 Carbine, but also well suited to many of
the more powerful Magnum handgun rounds.
It is particularly applicable for the 44 Remington Magnum, 454 Casull, 500 S&W Magnum and similar high-performance revolver cartridges.
Big Book Catalog, Issue:68, Page:544
Sinclair, Issue:5B, Page:094