Try Tom Bowers board www.subguns.com or Big Jims Machinegun Sanctuary wwwbigjimsmgs.com. If they're not in a great hurry (relatively speaking) a good place to pick up a full auto is at one of the full auto shoots and shows. Knob Creek is the biggest, but I've heard that the Hiram Maxim shoot is pretty good. Then there's the SOF show out west. Also Snall Arms Review has a classified section in each issue. Www.smallarmsreview.com