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Started loading but, not sure I should crimp the load book says to put a good crimp on it to get good powder burn.hmmmmmmm help please.
 

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Crimp or no crimp

PJ,
I ask the same question when I first got that barrel so I ran a test. I think if you chrono you loads you will find that when using H110 and other slow burning powders that the biggest difference you will find is wide shot to shot variations. I got from 185 to 250 fps difference from shot to shot when I did not roll crimp.
 
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