I'm rolling an example of both rounds back and forth across the desk,......with a pair of very good calipers,....

Q. Is the "adapter / insert" tapered to paper thin dimensions at the cartridge base area ?

GTC


Member, Clan of the Border Rats
-- “Sometimes I wonder whether the world is being run by smart people who are putting us on or by imbeciles who really mean it.”- Mark Twain