Muleskinner
Ultimate Member
This is a link to a page where a reloader has built an EXCEL spreadsheet to calculate which disk or combo of disks should be used for various loads of various powders. It's MUCH easier to use that the instructions that come with the tool from the factory.
http://mp-pistol.com/mp-reloading/31059-lee-auto-disk-powder-measure-calculator.html
http://mp-pistol.com/mp-reloading/31059-lee-auto-disk-powder-measure-calculator.html