Product Type: Cleaning Agent; Keep the muzzle end pointed down to prevent cleaner from running back into the actions or chambers; Soak a patch, brush or mop with Copper Cutter and run through bore. Follow this with a dry patch; Repeat until dry patch come out clean; After patch comes out clean, it is very important to run a mop or patch with a Slip 2000 Gun Lubricant on it to completely recoat bores with lubricant protection