What works the best to get rust out of the barrel? I soaked it over nite with wipeout and accelerator and the first patch come out black and some blue. Then the following patches had a brownish red tint to them I suspect this would be rust? I run a patch down with some kroil and got the brownish color again so I took a patch with jb and run it back and forth and it come out pretty nasty looking like that reddish brown color. Then I used butches bore shine to clean that out just trying different things and got the same thing the reddish brown tint on the patches. After I patched it back out I soaked a patch with kroil and run it through and just left it now it’s been a week. What do you think my best option would be? Also tHe bolt face has some rust on it too I sprayed it with kroil also and let it sit over nite and some come off but it’s still there.