On Nosler brass, I found that primer pockets needs attention by cutting them deeper on the uniforming cutter. Complaining to Nosler got me nowhere.
Primers always sat too high.
[/QUOTEBob, some primer seaters occasionally are stopping short of a full seat. My son had some high primers and used another seater tool he had, they went flush with it. This was Lapua brass. Not the pocket fault, totally on the seating tool.