r/canadaguns • u/gussy1412 • 26d ago

Misc Rust or copper fouling?

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Hey folks, anyone able to help me with determining whether or not this is copper fouling or rust? The first time I shot this gun it rained on me, and it’s possible I didn’t get all the moisture off of it. I just cleaned the bore and ran an oiled patch through.

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u/gussy1412 25d ago

I did use a brass brush on it w/ Hoppe’s bore cleaner. Maybe I didn’t do enough passes on it, I’ve only put about 50 or so rounds through it.

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u/CanadianBoyEh 25d ago

Try something specific for copper fouling, instead of a general CLP like Hoppe’s. I like BoreTech CU+2.

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u/gussy1412 25d ago

Is copper fouling in general an issue? Or is it only something that you need to worry about if it’s causing accuracy issues?

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u/waitwhatnothing 25d ago

Really just a problem when accuracy starts to drop off. 

Plain bore cleaners like hoppes no. 9 won’t touch it, you need something specifically for copper fouling. 

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u/gussy1412 25d ago

That’s what I figured. Thanks a bunch! I’m new to shooting so this info is very helpful for me.