Originally Posted by JORGE01
Try a homemade electronic bore cleaner. You would be surprised at the amount of crud they get out of a barrel even after you supposedly gave it a good cleaning. I made one with a flash light, and it’s very good and inexpensive.

Here are some links of some different designs:

https://www.youtube.com/watch?v=-DMCEutvhDQ

https://www.firearmstalk.com/threads/making-an-electric-bore-cleaning-kit.31091/

http://www.predatormastersforums.com/forums/ubbthreads.php?ubb=showflat&Number=2615634

Just Google: “homemade electronic bore cleaner”



+1. I had a Kar 98 that would not come clean it was so badly coppered up. I read about plating off the copper and gave it a try as a last resort.

See: I Felt Like a Mad Scientist

This was one of many steps I needed to deal with "The Mauser from Hell." In the end, it shot the smallest group of any of my deer rifles ever.



To get the black crud out, I used Ed's Red on a patch and then let it sit. The longer it sits, the better the crud comes loose.

To polish, I used Flitz on a patch wrapped around a copper brush and then used 100 strokes up and down from the muzzle. Every 20 strokes, I changed patches and refreshed with more Flitz.



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