as for my G3, the fixed stock (rear wired) was just perfect for the trigger master. There's a small funnel at the bottom inside the stock that house very well the wiring and the chip (appart of the the battery compartment)
I'm enjoyed for the coding for the 30 rnd reloading enforcer. I gonna try it pretty soon, I just have to find a 4700ohms for the breadboard/isp connection :P Will a 5500ohms will be fine? I just opened yesterday my old 14" IBM screen and found very useful resistors, capacitors,...