You don't need Dykem, just carbon up the neck and shoulder using a match or butane lighter.
I just used a sharpie as well as lighter
The sharpie shows it better but the interference appears to be in the middle. This is a case that will only pass (barely) if I shove the case in hard with my thumb.
Maybe some rough tool marks?
Before and after photos
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Lee is pretty good about exchanging stuff if you have a problem.
I"ll give this a try.
BTW, a Powder coated loaded cartridge does not pass the Hornady gauge but a .308 FMJ does.
Are those marks from the chamber or the gauge?
that is after inserting in and out of the Hornady Gauge
I"ll give this a try.
BTW, a Powder coated loaded cartridge does not pass the Hornady gauge but a .308 FMJ does.