Rusty spots in barrel...

[renardsubtil]

hey fellas...

So I was able to clean out the cosmoline out of my Fin M39 with a pot of hot water and a couple runs of my bore snake and copper barrel brush...the barrel looks pretty shiny with no dark or rough spots and I was able to shoot about 4 rounds through the rifle over the weekend.

I do however see a few red rust stains down the barrel when I look at it from the muzzle side so I assume it look like this all the way doewn . Are these pretty much embeded in the barrel? do I need to worry about scrubbing down the barrel enough and get these spots removed?

[Fate]

You sure it's rust? Might just be copper jacket leftovers.

[Dirtbiker]

I don't think it will hurt it all that much. Maybe shooting it will clear it out.

Navel jelly is pretty mild, maybe treat the inside of the barrel with it and wash it out good.

Experts please jump in here if that is a bad thing...

[Full Clip]

Navel Jelly will eat the blue finish... it's just rust, after all!

[caldude]

Try JB Bore Cleaner. It should scrub the rust out. I've heard the foaming cleaners work well also.

If the rifling looks good, the rust probably isn't having much effect, but you never know if there is pitting under the rust.

[renardsubtil]

alright thanks guys. I may switch completely over to hopes solvent and/or that JB Bore Cleaner when i get to shoot it more, I was using CLP break free for the barrel cleaning after my session...btw, I was using Olympic 762x54r

[QuarterBoreGunner]

Like the man said; are you sure it's rust and not copper fouling? What your describing sure sounds like copper fouling to me.

Try some of the dedicated copper cleaners out there and see if your "rust" streaks go away.

[weezil_boi]

I have seen some badly pitted barrels in the mosins. If you have any doubt as to how bad it is... then its not that bad.

Just clean it well, and keep it oiled when stored. If you shoot corrosive stuff and wash it out, make sure you dry it out right away with some break free and then oil it up. Unless you have some severe rust around your muzzle, I just dont think you will ever notice the difference.