M60 MG on Gun Truck

[Crapgame]

Steve Smith in Arkansas steveleesmith@hotmail.com should be able to set you up with the circuit board and solenoids to gas up that Pig if it is the U channel sheetmetal dummy receiver not the solid aluminum ones.

 

[Spyderman]

I believe this is what you are looking for. It says sim-fire option.
http://www.iracllc.com/product/m-60/