The hard wayThat a disclaimer on the package, some random post from someone on another forum or did you find out the hard way?
ah cool, i know the standard ccu kit tip has been know to flake, the sl may well be differenti think and dont quote me on this. that the inside of the sl barrel kits is milled differently to the standard ones. so its possible that the inside of the barrel doesnt have an aurora finish.
not to sure on that but you never know