Thanks to all for their replys.
My question about correcting the barrel cylinder gap in my Ruger Security Six has been answered. It will cost more than it is worth at this point. Simplier to rebarrel.
A question of interest would be, "Has anyone seen a test or research, testing barrel cylinder...
I have a Ruger Security Six with a 6" barrel. The barrel cylinder gap measures .007" when a gaap of .003" would be much more desirable.
What can be done to tighten up this gap?