hey i got turned onto a product call ed wipe out it the best money can buy its a foam and you just spray it in the barrel let is stand for about 20 minutes and presto its done and dont get the wife mad about the smell eitherits made in kansas and you can contact them on the net @www.sharpshooter.com it kind of har to get from sporting good store i dont understand it maybe they need better marketing or something but its the best i have found and it really taking holdin the benchrest circles as a matter of fact as soon as i get off here iam going to ordera case tired of running out and having to orfer a few cans