WHAT DOES IMR POWDER STAND FOR SECRETS

IMR 7828SSC Powder has the identical burn charge and utilizes 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 .300 Get Mag. The super-brief grains make metering a breeze, and I get constant velocities with each and every shot. B