Developed for precision cartridges & to give shooters consistent performance, load after load in the most extreme heat & cold. Ideally suited for benchrest & small varmint cartridges such as 6mm PPC, .22 PPc, 6mm BR, .223 Rem. &.222 Rem. Great in .308 Win. with light match bullets like the 147 gr. or the 155 gr. versions. Small, easy metering granules.