Here's a pic of my case, look carefully on the shoulder and you see the imperfection that my chamber must have, and the corresponding line it prints on each case.
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Type: Posts; User: kimjon
Here's a pic of my case, look carefully on the shoulder and you see the imperfection that my chamber must have, and the corresponding line it prints on each case.
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Sounds like a slight bur in the chamber if there's a line left on the case.
One of my rifles leaves the faintest of marks on every fired case. This doesn't cause any issues for me and I use it to...