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That's a new one to me too.
I know the bench guys like to use as little crimp as possible (IIRC). But with an autoloader, you should have some because the bullet can get pushed back a bit when chambering.
I've had a couple bad magazines where the nose would hit right below the feed ramp and the spring energy would push the bullet over half its length into the case. That was with the crimped 55gr bullets with canalur.
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