IMR 7828SSC Powder has exactly the same melt away charge and utilizes the same data as ordinary IMR 7828. Nonetheless, due to quite limited kernels, metering is nearly pretty much as good as with a spherical powder.IMR 7828 SSC is my go-to powder for .300 Acquire Mag. The super-quick grains make metering a breeze, And that i get dependable velocit