IMR 7828SSC Powder has the same burn rate and makes use of a similar data as everyday IMR 7828. Even so, due to the very shorter kernels, metering is nearly as good as with a spherical powder.IMR 7828 SSC is my go-to powder for .three hundred Earn Mag. The Tremendous-limited grains make metering a breeze, And that i get reliable velocities with ea