Originally Posted by 1337PAINTBALLER

You need a gun that runs on a solonoid and using a board and microswitch. The trigger has a very light pull and one of the screws hits the microswitch. Everytime you pull it, the switch clicks, responding to the board which basically responds to the solonoid, and that operates the pneumatics and such.

That's how an electro works and walking requires a run ran like that. Well, some electronic sear trippers can be walked pretty easily.