I am getting ready to start reloading. I am completely new to this. I have talked to a few guys and and am a little confused on dies. I have a remington 700 in .223 and a mini 14. For the remington, one guy told me all I need is a neck sizer as long as I shoot the same brass out of my remi. He said I don't need a full length die. Is that correct and how many times should I be able to use the brass? He recommende winchester brass. For the mini, he said I would need the small base die. Is that right? What I am a little confused about is what does FL die do that a short based die doesn't? Should I get a FL die and need it for the remi? Thanks.