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Rory Wilks

Hi all.

I keep coming across guys that talk about reaching a copper equilibrium in their rifles and are shooting 100's of rounds accurately before needing to clean their rifle barrel. They then start over with purposely building up the copper in their rifle barrel to where their group size shrinks again. Some say it takes possibly 40 or 50 rounds to reach that equilibrium point. I've also read that factory barrels are better for this method than a custom lapped barrel which fouls very slowly and is possibly meant to foul slowly and be cleaned more often.

Just wondering if any of you have tried this approach with any luck or know much about it?

Thanks!