After a reread of the OP I see you run it in AI, I would think you still need to fireform to make it proper.
Type: Posts; User: johnd
After a reread of the OP I see you run it in AI, I would think you still need to fireform to make it proper.
My thoughts without knowing the full story behind these cases.
When made to go from 308 down to 243 the necks would have become very thick, and may have been neck turned to remove the excess brass...