Shouldn't be a need on a rimmed case but on bottle neck cases shooting oily cases or ones with one shot lube on them resulted in more uniform cases. Still I would try the necking up route first.

Last edited by Tejano; 02/19/18.
"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli