Thanks for your info 7RM. My understanding is that the break-in needs to be done before the process ... then cleaned completely of copper fouling ... preferably confirmed with a bore scope. If nitrided over, the copper would be near impossible to remove.
I have a couple of sporter contour barrels with a few hundred rounds through them to choose between if I decide to give it a try. I am hoping my friend gets his to the Range within a few weeks.
EDIT: What color did your barrel take?
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