IMR 7828SSC Powder has a similar melt away rate and utilizes the same data as common IMR 7828. Nonetheless, because of the extremely short kernels, metering is sort of nearly as good as with a spherical powder.IMR 7828 SSC is my go-to powder for .three hundred Gain Mag. The super-brief grains make metering a breeze, And that i get steady velocitie