Well, this thread is going to turn into the battle of the ages, or at least the week, with pictures of crushed bullets, claims of improper use of dies, quotes of the claims from the manufacturer, etc, etc.
Almost no one crimps rounds for bolt guns. The top accuracy shooters certainly don't. That means that in a properly built gun its not a net positive. If it was, they'd be doing it because they find out what works and they do it.
In factory guns, well, see paragraph one. If you're curious, get a crimp die, set up a test and find out for yourself.
For this thread, get out the popcorn and watch. It's going to get ugly.
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