"Place the unloaded revolver on half-cock and then pull downward on the barrel latch.
(This is at the bottom of the frame and may have the alternative knurled screw feature.)
Then unscrew the Barrel from the Shot barrel and pull forward to remove. Lift out the cylinder. The shot barrel will also unscrew from the breach and may come off with initial cylinder removal.
Remove grips. This is about as far as dismounting can proceed without special tools. Both of our examples and every other LemMat replica we have heard of present a major challenge to disassemble to the degree needed for parts replacement or thorough cleaning."
I can type more from the book if this don't get ya far enough along.