Removing the 2 piece hard rubber stocks of a 100+ year old single action is always risky. If the stocks are original to a single action and no prior adjustments have been made to the holes in the panels where the stock pin fits, the stock pin usually holds the stocks pretty tight. And, the stock pin will assure that when the stocks are put back on the gun, the fit will be the same.
This is how I remove 1st Generation Single Action Hard Rubber Stocks. Be careful, you sure don’t want to crack the stock panels.
When you remove the screw the stocks might be pretty snug to the grip frame. If one or both panels come off easily, then no problem. However, if both panels seem stuck in place and do not come off easily, sometimes you have to reinsert the screw and turn it in a couple of turns so that the threads are engaged and then very lightly tap on the head of the screw (slot end) with the handle of a plastic or wood handled screwdriver until the bottom stock panel releases from the stock pin. You can then remove the screw and if necessary, very lightly tap on the inside of the remaining stock panel with the handle of the same screwdriver until the remaining stock panel releases.
