Richiew Posted May 13, 2023 Report Share Posted May 13, 2023 Just found this mark on some cases after trimming and before reloading. Is it time to bin them . Mark at head end of the case . cheers Quote Link to comment Share on other sites More sharing options...
No i deer Posted May 13, 2023 Report Share Posted May 13, 2023 That's heading for case head separation.. Your probaly resizing your brass a little too much and they stretch and the case thins at that point or you've reloaded the brass inexcess of 15 times. 2 too 3 thousandths is plenty.. If you haven't got a shoulder bump gauge get one.. They don't last forever anyway Quote Link to comment Share on other sites More sharing options...
martin_b Posted May 13, 2023 Report Share Posted May 13, 2023 What No i Deer said.. Quote Link to comment Share on other sites More sharing options...
Richiew Posted May 13, 2023 Author Report Share Posted May 13, 2023 Thanks for the advice. That’s what I was thinking. I only neck size but they are getting old , probably 3 years. Time for a change . Have a good weekend cheers Quote Link to comment Share on other sites More sharing options...
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