Would it be possible for someone who reloads AI to talk me through the process here please? I am at present 'blowing out' my cases. When I come to reload the AI cases what is the correct way to do it? Would I be full length re-sizing with an AI die set to the shoulder of the fire formed case? or are they neck sized? Also after a few loads do the shoulders need to be bumped back or does this not occur due to the AI design.