After reading the letter mentioned in "Muzzleloader" + the above posts, I had to see whether turpentine was the magical cleaner as claimed. My rifle was cleaned with warm, soapy water, patches on a jag, and a bore brush, followed by more patches. (It was really filthy.) I then oiled the bore and put it away. A little while ago, I dried the oil and used a patch saturated with turpentine and ran it in and out of the bbl. a few times. Well, either I cleaned the bbl. [by conventional means] really well, or turpentine isn't the miracle elixir which the letter writer claimed because the patch wasn't dirty at all. You may want to try it and draw your own conclusions about its effectiveness.