I'd guess it would be owners using cleaning rods. I treat mine like an airgun barrel, never use a rod. Just a bit of mono fishing line pulling a wet patch through it occasionally. No brass coated...
Type: Posts; User: Dead is better
I'd guess it would be owners using cleaning rods. I treat mine like an airgun barrel, never use a rod. Just a bit of mono fishing line pulling a wet patch through it occasionally. No brass coated...