So here's a question that I've had for some time but was afraid to ask:

With my more pedestrian rifles, I normally run a patch through the bore(s) with solvent, then I will insert a chamber plug and fill the bore with Butches Bore Shine, seal the muzzles with Saran Wrap and an elastic band to prevent evaporation, then let the chemicals soak and remove the copper fouling over the course of 4 days or so. After pouring out the solvent, several oil soaked patches nicely finishes the job. This works absolutely wonderfully for bolt guns etc, but is it safe to do with multi barrel firearms where there are soft solder joins between the barrels? Would the solvent weaken or erode the solder? I have erred on the side of caution with my expensive doubles, and have not done the soak routine, but I find that copper fouling never really comes out of a bore unless one soaks or unless one scrubs it to death.....

So how do others clean? Any soakers out there? Anyone worried about the barrel join material?

Any and all opinions / commentary would be most welcome!!!

Many thanks,

Postman