Incipient Case Head Separation

[AK_Skeeter]

I liked this idea of using a bore scope to examine the inside of cases when inspecting lots for incipient case head separation:

Teslong bore scopes are handy and relatively inexpensive....less than $100 on Amazon.

 

[nhyrum]

You can do a similar thing with a bent paperclip. But you don't ever actually SEE the thin spot with a paper clip

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