IMR 7828SSC Powder has the same burn up level and makes use of a similar data as everyday IMR 7828. Nevertheless, due to incredibly brief kernels, metering is sort of as good as with a spherical powder.IMR 7828 SSC is my go-to powder for .300 Get Mag. The super-quick grains make metering a breeze, and I get steady velocities with just about every … Read More