It's probably one used in one of these more recent movies. They sell lots of the props after to recover filming costs. Some of the items can fetch vast sums of cash. Many of the non functioning rifles can be made from a poly-resin that's coloured. Most of the guys in the background will have these and only the guys up front that do the firing will have working models... here's a site that sells them... $100 would be good if you really have to have it...they sell for more than that. About us Prop Store - Ultimate Movie Collectables