i started with a ruger rpr, loved it btw. Got an offer to buy it so i'm in the process of building a 6.5 creed on a impact action with krieger barrel in an mdt acc. Just waiting on my friend to turn my barrel blank.
I use your method almost exactly, except I anneal and reload on a Dillon 650 and my SD is 5.8 ES 15. I shoot PRS and it works well for me out of my gen 1 rpr
Berger 130 gr hybrid
Winchester SP
41.9 gr h4350
Lapua brass
2763 fps
Suppressed btw