I got my press set up to full length resize Winchester 223 brass. Just followed the usual full length sizer setup and the brass comes out just right with headspace back to spec. Throw a Starline case in there and no dice, headspace still way to high and won't chamber. Had to screw the resizing die down so that the die is compressed significantly without a case in the press before the Starline comes out OK. Ran Remington brass thought it before and it comes out fine but the Starline is different. Curious if I'm doing something wrong but I don't think so. Tried a bunch of different shell holders and all give same results. My LNL progressive same thing. Also tried RCBS and Hornady dies, same result.