Redding Body die would take care of that issue.

If they make a 338 Federal Body Die, you could size the cases giving you problems without disassembling the loaded rounds.

"Minus the killings, Washington has one of the lowest crime rates in the Country" Marion Barry, Mayor of Wash DC

“Owning guns is not a right. If it were a right, it would be in the Constitution.” ~Alexandria Ocasio Cortez