Home Forums Reloading 16 Gauge Society 16 GAUGE RELOADING DATA

Hi all, first post. I joined specifically for the 16 gauge forums. I have asked this question on other forums/groups and received a lot of smart ass comments but no help. So here it goes, If a 2-3/4" recipe fits in a 2-1/2" shell, will pressure rise? I found a load in the lyman book that fits in a cut Federal hull. Its advertised at 7400PSI.

Thanks for any input!