This extruded powder is really a member of Hodgdon's Serious series of powder with gradual-burning properties, perfect for highly-overbored magnums similar to the 7mm Remington Magnum, 7mm STW as well as the 30-378 Weatherby.I’m also utilizing IMR7828SSC with heavier bullets. I have lots of H1000 and would also wish to try itIt manipulates the ma