If you'll save me a search, how much Re15 are you running in the Lapua brass under 150s?
I've worked up to 46.5 grains with 150 gr. flat base Interlocks. The groups are pretty good overall size wise, but I see a little vertical stringing at 200 and 300 yards that I think I can pull in with a couple more tenths. Some folks are finding the goody zone a bit over 47 grains, but that's not in Lapua brass. So I'm creeping up slowly.
