RE: Accurate powder
I have used Accurate # 7, #9, 2460, 2520, 5744, 4350, 2015, 3100 - as well as comparable propellants from all other manufacturers (except Vihtavouri).
They all work just fine. The XMR-5744 is an especially useful powder. Their 4350 is my go to for .30-06.
Pete