58 Rem, an dit came with this conversion cylinder. The top of the R&D Cylinder has 6 seperate firing pins, one for each chamber. You pop the top off the cylinder, load your rounds, put the top back on, put the cylinder in your pistol, and bang away. The R&D Conversion cylinder is a two piece job that holds 6 rounds of. R&D Conversion and Kirst Cartridge Konversion. $800-$1000 for cylinders, ejector rod, parts, shipping, and labor.įirst of all there are 2 primary conversion cylinders that you can get on the market. If you decide to go with the route, I took, you are looking are approx. 44 1858 New Army to a cartridge firing wheel gun. Ok, I am doing this as a favor to everyone out there that has run across the same problems that I have in trying to find reliable information on how to convert your Black Powder.