IMR 7828SSC Powder has the identical burn up fee and utilizes exactly the same data as ordinary IMR 7828. However, as a result of really short kernels, metering is sort of nearly as good as with a spherical powder.IMR 7828 SSC is my go-to powder for .300 Get Mag. The super-brief grains make metering a breeze, and I get constant velocities with eac