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Copper Equilibrium

31 Dec 2016
@ 06:58 am (GMT)

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?



31 Dec 2016
@ 07:37 am (GMT)

Peter Bjerregaard

Re: Copper Equilibrium
Hi Rory,

Nathan covers this in his books. (Can somebody help with a reference, I'm not at home). Basically look at accuracy and throat wear. I do have a lapped barrel (True-Flite) and that means more time between cleaning not less.

31 Dec 2016
@ 03:05 pm (GMT)

Paul Leverman

Re: Copper Equilibrium
The information is contained in the accurizing and maintenance book, part 2.[b]


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