@ Doc -

thats an amazing piece of detective work! Kudos!
Maybe, this is sort of planning things much ahead? Like, if I had a blued revolver, how would I go about removing carbon deposits that are bound to build up on the cylinder, when I have shot it for a while?
Anyway for whatever it is worth - here goes:
Hi ruger_rugged,
I have seen in some earlier posts that
Tetra Gun Care Kits are available from:
R K Trading Company
33/1, Netaji Subhash Road
414, Marshall House Kolkata,
West Bengal, INDIA PIN-700001
Phone no. 033 220 9882 / 033 220 9468
Tetra Gun have solvents check here for details:
http://www.tetraproducts.com/products_b ... 20Products
http://www.tetraproducts.com/images/pd- ... volver.pdf
For blued revolvers you could use a tough bristled brush, such as a slim bottle brush, or even a tooth brush.