HELPING THE OTHERS REALIZE THE ADVANTAGES OF DAN WESSON

If anyone ever encounters a "3 letter+ just one digit" (SDR-1) form range or even a "nickname" on a revolver that might be from that period, I have appealing insight on All those guns that I can share.Hence the cylinder is definitely distinct.  Possibly the threading differs from model to model to keep from being able to interchance barrels to mod