Dang I think it's in the rifle chamber. I can run a case through and make similar marks. Is this something I need to worry about?
Those marks on your brass are made by raised swarf in the rifles chamber
I'm guessing the chamber has been slightly damaged by a home made " stuck case remover"
Or the factory reamer re- inserted into the chamber whilst stationary, ie non rotating
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A big fast bullet beats a little fast bullet every time
Cher. I've calmed down now. 😃Emailed Moritz Wassmann in Wellington. I actually think I can see a big burr on on the edge of a lug recess. Noticed it ages ago but didn't think it was causing problems. Must be catching them on the way in and out I reckon.
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