Quote Originally Posted by MCol View Post
Im switching from my trusty .223 varget load to IMR 4064. Going to be getting out to the range this week and am wondering what you guys take was on running a bore snake down between groups or every so often, or should I do my testing without cleaning the rifle. 20” A2 profile barrel without the chrome.


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I know there's guys that recommend doing a cleaning between between test groups. It makes sense to me, whether it's critical or makes a significant difference I don't know...

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