kotkinjs1,
I really do not have more to add. I stand by observations of your gun which were made using two reference books I have, one of which is the book used by RIA (in the link you posted) to assess/verify the gun they were auctioning: Confederate Handguns (Albaugh, Benet, & Simmons 1963), and Confederate Revolvers (William A. Gary 1987).
I don't know what you paid for it, nor do I care as it does not concern this discussion. The RIA gun was hammered down at $21,500 plus auction fee. I think acquiring at least one of these two books would give you a lot of information to possibly satisfy your curiosity. Gary's book has a section at the end of the book about creating/recognizing fakes. There were many gunsmiths in the 1920's and 1930's, when BP revolvers were considered almost worthless, who would use whatever available guns/parts to create a shooter. Historicity was not much of a concern, if at all. You may have a gun with genuine G&G components, namely the frame and the barrel, that fits within this realm.
I thank you for posting the thread along with the many photos you supplied!
Regards,
Jim