Well, I believe it's time for a new build, as my present build is all but done. After many months of trying to get an acceptable load with my 6-284 I have given up the ghost. I have 400 6.5-284 cases I necked down to 6-284. What steps should I take to get them back to 6.5? Would I do this with expander mandrels? Annealing? Lapua cases, so I have some $$ tied up and a lot of the cases are still new.