I have been reloading and shooting for weeks with my just-finished rebarrelled and blue printed Rem 700 in 300 RUM. I really am intrigued by the 215 bergers but no matter what I try, I can't get them to be accurate. I can shoot the 210 Bergers very accurately but they lack in the BC dept. I have tried Retumbo, RL25, RL22 H870 and IMR 4831 all with no real success. I have loaded many different COAL's and that didn't seem to help. In my 338 rum a COAL of 3.78 with Berger 300's was very accurate. I am no rookie but after100's of rounds down range, I'm a bit frustrated and would like some input. I am ready to sell the rifle and start on another project but hope that someone can enlighten me on this bullet in this cartridge.