I have my sizing die set at my desired height for most of the time it seems. I'm sizing 6.5 PRC Hornady brass. As long as the fired brass measures 1.633 (base to shoulder) or more prior to sizing it comes out at my desired 1.631. Now the question.. If I measure my fired brass and it's 1.632/1.631(pre-sizing) it comes out below my goal of 1.631. It will be like 1.629-1.630. Could the neck sizing be pushing the shoulder back? This is being loaded for a hunting rifle. Am I just being too anal? I'm using a .290 neck bushing.