IMR 7828SSC Powder has exactly the same burn up charge and utilizes the same data as ordinary IMR 7828. Even so, due to 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 .300 Earn Mag. The super-brief grains make metering a breeze, and I get steady velocities with each an