I am going to start loading for a friend who has a 30-378WBY mag and I have been hearing so much good results with the 230 bergers I would like to try them. I am wondering if anyone has any data for this combo or any advice where I should start. The gun is used for long range hunting up to 1000 yds on anything from antelope to elk. Hopefully someone has tried this and has some infoo for me. Thanks in advance.