I think Ramshot Grand is a good matchup for the 338 RUM and 250 gr bullets. I'm starting to use Grand in my 6.5 Wby RPM with excellent results. I'll try it in the 338 RUM with the 250 gr AB come spring.
JD338
Most of our stands are positioned on ridges and allow for entry from behind using the terrain for cover. We also rake a path for silent entry. For the morning hunt, our green led headlights illuminate our travel. Once in a while we see deer and our silent down wind approach doesn't really spook...