I attached an image from Brad Miller's old .38Super.net site illustrating the different .38 Super type cases. I can use the same shell plate on my Dillon press for 9mm, 9X23mm, .38S and .38SC. But the .38TJ extractor groove and rim dimensions are enough different, that I have to use a different shell plate.

Attached Images

Sectioned .38 Super cases.jpg (81.9 KB, 61 views)

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NRA Life, COTEP 640