Turned brass does not spring back like drawn, and can be very difficult to size. Single shot rifle many have given up on RMC turned, only using it if drawn not available. Aneling may help Turned but I doubt it, it can improve seal in drawn cases as long as you don’t overdo it.
No matter who sells them Source for most brass shot shell and unusual sizing dies is CH4D die company. They are the experts call them at 740 397 7214. Google search for CH4D polluted by paid ads use
www.ch4d.com to go direct to their site
William