single trigger no problem if youre handy with some basic tools. sure would look awesome
(I designed an electro AT pump gun back in 07 which used a similar switch configuration... except it was mQ valve based, internal AT switch, and the 9V batt was inside the body
someday I might get to building one... really sleek compact design and all. problem is that I cant stand putting batteries in my guns anymore, so I'd just have to sell it.