Another Dillon 550 user. Like some I generally resize before starting on the Dillon but there’s really no reason you couldn’t use the Dillon for everything. Ball powder works extremely well. I know Dillon has done tests with their powder measures and they are as accurate or more than all other measures. Plus to me if you are into high volume loading a .1 of a grain here and there is not going to be a problem. The Dillon puts out a nice round at the end.
