After removing screws and the cylinder, hold the pistol in your hand and smack the lower frame (grip) area with the wooden handle of a mallet.
The idea is to cause the frame to pop away from the side plate.
Don’t pry!
It is a very finely fitted piece and has very sharp edges.
There are some YouTube vids that show the technique.
Edit: Long vid here but this guy is great! Different technique than I use but he knows his stuff.
https://youtu.be/4ujyLn3lHBc
Hey OP, can you tell me the technique you used to get the side plate off your revolver?
After removing screws and the cylinder, hold the pistol in your hand and smack the lower frame (grip) area with the wooden handle of a mallet. The idea is to cause the frame to pop away from the side plate. Don’t pry! It is a very finely fitted piece and has very sharp edges. There are some YouTube vids that show the technique.
Edit: Long vid here but this guy is great! Different technique than I use but he knows his stuff. https://youtu.be/4ujyLn3lHBc