VihtaVuori is a Finnish Powder Company that has been manufacturing powder since the 1920's. VihtaVuori powders are extremely popular with benchrest shooters, High Power shooters, and varmint hunters.
This powder can usually be used in place of Reloader 15, IMR-4320, and Hodgdon H-380. Applications include: 222 Remington Mag., 22-250 Remington, 30-30 Winchester, 308 Winchester, 30-06 Springfield, 375 H and H, etc.
Big Book Catalog, Issue:67, Page:527
Sinclair, Issue:4B, Page:094