Hey folks, my wife's grandfather just passed me down his 16 gauge wingmaster built in the 70's. I love the gun and wouldn't mind rolling my own loads and killing some turkeys with it. Current barrel is fixed Imp Cyl. Anybody know where I can get a full choke barrel for this gun? I'd prefer not to alter the barrel that came with it as I'd like to use it for dove shoots. Any info would be greatly appreciated!