Introduced in 1999. Similar to standard FP6, with addition of Picatinny rail mounted on top of receiver. Also fitted with flip-up front sight. In 2003 this model offered with 20" TriBore barrel, with barrel threaded choke, new style front sight and ghost ring rear sight. NOTE: Available with 14" barrel. Requires BATF tax and all NFA rules apply to purchase and sale of this restricted shotgun. Accessory wire stock and pistol-grip available for an additional $150.