Holy crap I remember when those came out. Always thought that would be a blast. Sounds like it was.back in the 80s when i was stationed at 29 palms ca. a buddy and i went to vegas for the soldier of fortune convention. we bought a kit to turn two ruger 10/22s into a pintle mounted hand-cranked(totally legal) 2 barrel machine gun. mounted it in the back of an old four runner. we would tear ass thru the desert walking rounds up on jack rabbits. surely something like that is still for sale somewhere. i say look for something like that.