Wow, I've gotten way more responses to this post than what I expected! I like the sounds of the Bore Tech CU+2 because it's odorless and you can also finish with it. I didn't know that there were even products available like this! Probably will end up trying several of them to see which works the best for me. I have always used the Hoppes in the past, but just wanted to know what else is out there.