Soak it in some Sweets or similar. May be getting copper tarnish which is very black. If the barrel is as crudded as you say, it's probably full of copper.Bought a used rifle with a very dirty barrel. Trying to clean it out and see how it shoots. Proving to be a task.
I've been running patches soaked in Lucas bore solvent through it, with a brass/copper brush every 3rd patch to knock stuff loose. The solvent-soaked patches start dirty but come out clean by the 3rd run. After a pass with the brush, the next patch comes out almost solid black. The cycle goes on - clean by the 3rd patch, brush, then nasty solid black patch. The brush is brand new, so it shouldn't be adding gunk to the mix.
Keep going, or try something different? I've probably had 50 patches down the barrel. Still get a black patch after brushing. I'm not used to cleaning barrels this dirty…
This is exactly my experience and the product I use. It always works for me.I used to use Sweets by the bucket until I discovered Wipe-Out, which I would suggest using here. A friend got an old Mosin that probably hadn't been cleaned since being dug up in a field someplace and three Wipe-Out treatments had the bore shiny clean.
Are Iosso and JB paste similar products relative to abrasiveness?The iosso should clean it right up. I have a 28 Nosler that I use R33 in and it gets real dirty. I tried everything and nothing touched the carbon ring until I used iosso. The bore scope will let you know when it clean. Make sure you work on the neck area of the chamber and throat also.
Now that's funny. I only say it because I'm pretty sure we've all been there. Cost savings are always on the mind, but it seems we go through life over-paying for the things we are passionate about. You are not alone my friend!Thanks all. Bought some wipe out, iosso, and nylon brushes. Then I decided to quit screwing around and bought a bore scope so I can actually tell what's going on.
If that doesn't work, I'll just shred all my money and pour it down the barrel. Seems to be the general method so far…