JMHO, no ..... that is from RE sizing .....
Someone, who knows more that me, might be by .....
Perfectly normal. Pistol cases usually fail by cracking at the mouth or longitudinally in the middle.
Mine look like that too....
Just the sizing die ring where it stops sizing. You should be good to go.
Thanks, that makes perfect sense. I wonder why I see it on some cases and not others however...
Different thickness of brass ?????