Since my last post, I've acquired the QMx replica of the Serenity pistol. Comparing it to photos of the screen-used props, it seems that there are some pretty severe differences. Some sources have been saying that the QMx model was a cast of the rubber stunt gun, cast from one of the "actual" props.
I am interested in doing two things: making some modifications to my QMx replica to fix some of the more glaring inaccuracies (adding wood grips that are faired smoothly to the center section of the handle, for instance), and machining/constructing an aluminum version of the gun (Show version rather than Serenity version).
Has anyone dismantled the QMx replica? I took one of the (junk) setscrews (which should be socket head cap screws) out of the handle and discovered it didn't hold anything anywhere. I suspect there is a lot of glue involved, but I want to take some measurements and lots of pictures before I hack it up too much.