Don't overlook IMR4831, which falls halfway between H4350 and H4831 in burning rate. Over the years, it's risen to the top for my best loads with 100gr bullets in the .243 and 6mm Rem. It's no trick to get 3000 fps with MOA accuracy if the shooter and the rifle are up to it.
"For every complex problem there is an answer that is clear, simple.....and wrong." H. L. Mencken