I use the combination of the Bore Stix Proof Positive, Nylon Brushes, Proof Positive Jags and the Bore Tech Eliminator. Don't do anything fancy, so far I have just followed the instructions and the bores wipe out clean every time. The fitment of the Bore Stix and guide seem fine to me, you can easily lock in the guide, and it positions the rod just the way it needs to be. I do use a Possum Hollow guide on the .17 HMR and those are fine as well.

After researching various products over few months, I decided on the Bore Tech system, mainly because of informal reviews like this one, This was one of many

http://www.shootersforum.com/gun-cle...s-kg-12-a.html

And the guys at GA Precision also recommend this product.

http://www.gaprecision.net/ga-precision-download.html

Check the PDF on cleaning and break in.