Never shot a cannelured bullet in an AR in my life.
Never crimped any AR round in my life. Granted I go for 100% case full of powder and I know what neck tension means, how to get it and how to use it.
YMMV.
We can keep Larry Root and all his idiotic blabber and user names on here, but we can't get Ralph back..... Whiskey Tango Foxtrot, over....
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