Does anyone know of a source of data for the 6mm/250 Savage cartridge. This is the one that is the .250 Savage necked down to 6mm with no other changes. It is not the 6mm International or the 6mm XC. I have the data from the Hodgdon web site and Steve's Pages (which is exactly the same data ) I am looking for IMR powders and Aliant powders for the cartridge.