Paul aneal did not help my 32/40 cases most of the expansion is at the base were the metal is solid. Of course Shotshell may be different. Concencus among Single Shot rifle shooters turned RMC cases don’t perform like regular brass cases. If I was buying 10 G Brass hulls I would look for drawn brass. While turning got them to chamber I pretty much gave up on the RMCs in rifles. RMC at its best something that’s impossible to find elsewhere.
William
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