Well, finished until I can get a nice, accurate sized, fiberglass one. This is with the Rub N' Buff.
With and without flash (the flash really brightens up the lighter blue)...


And back and inside, with lining

And here's the finished gun (with missing copper piece above trigger). Most of the gun is resin, but the barrel is metal. I tried the same trick that was used to make the movie suit look like metal, and it worked VERY well. Rub N' Buff was also used on this.

And here's a detail of part of the gun, notice the spun aluminum look...
