Re: Vv n570?
Should be an excellent performer in the cartridges you've cited, especially with the heavy weight bullets. This, mind you, is just from conversations with the tech staff from Vihtavuori; I've messed with it just a bit in the 338 LM, but nothing in the 30s. Be curious to hear some feedback once you've tried some, especially in the 300 RUM! We hit some of our highest velocities in that cartridge using N570, but as I said, I wasn't on the trigger for that shooting.
Thanks, and let us know how it runs for you,