Wow! I'm speechless! Didn't really think mine would draw that many votes!
I guess it's The Marvel Encyclopedia for me!
Awesome contest, I had a lot of fun hunting for my watergun, since i started late there wasn't much to choose from.
My first pan was to extend the barrel, add a folding stock and turn it into a carbine... but I couldn't find the right size PVC pipe. When I saw the Husky Utility Knife at Home Depot had the same curvature as the handle of the blaster I took the easy route.
The build it's self was pretty simple:
1) disassemble and remove internal components;
2) discard watertank/butt assembly;
3) dremmel out unwanted plastic;
4) replace plastic barrel cooling piece with a section of perforated chrome pipe from a dollar-store hair brush;
5) fit utility knife as handle (screws/hot glue);
6) paint with Krylon satin black, rub with antiquing pewter, and dry-brush worn areas with Testor's silver.
It really came together quite quickly, I estimate the entire build time at approximately 6 to 7 hours. The finished product has a nice aggressive Klingon Disruptor meets Sand Trooper appearance.
Thanks to everybody, especially Shylaah for another stimulating contest!