these rifles were shot a great deal during WWII and I can guarantee you that the average GI did not have to remove copper fouling from the barrel to keep it shooting . I would recommend shooting it and not worrying about it unless accuracy starts to slip.
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ignore my complete lack of capitalization. I still have no problem correcting your grammar.
I never said half the stuff people said I did-Albert Einstein
You can't believe everything you read on the internet-Benjamin Franklin
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