22fowl said:Toss the t/c cleaner
use tepid water not boiling.
Your getting flash rust.
What is your patch lube?
What type of powder are you shooting?
You need to get that bore back to steel surface.
The bp gremlins are a pain.
Good luck.
Eric Krewson said:I suspect your barrel is rust pitted and will always hard to keep clean. I have one gun that way.
Enter your email address to join: