I really love the look of Bowcasters, but their design is flawed for our purposes due to the fact that the bow part of the gun is fairly unwieldy. With an actual bowcaster under my belt I decided to build my own custom bowcaster. It won't have a bow (would it just be called a 'caster' then?) but it will be built essentially the same way that my Republic Commando one was.
There is a portion of the stock behind the plastic panel that has been cut out to provide room for some resistors, some capacitors, and a battery. The hole drilled into the handle goes back into that space. The handle itself will be wrapped in friction tape so that the wires coming out of the hole will be covered up. There will be another area drilled out above the handle where the wire will go and hook up to some LEDs; blinking and non blinking! So cool