To my great surprise I not only found brass but also large magnum rifle primers right away and can start thinking seriously about load development in 300 RUM. I'm planing to load 180 gr to 3000 fps, right now only for paper punching at long distances. I'm looking for suggestions on bullets to pick. Sierra Matchking seems a good start, but
Lapua has a new 185 gr with a very nice BC, ...