Mossberg Model 500 Riot, 12 ga. pump tactical shotgun. Serial #U570809. Excellent condition. Pistol griped riot gun. 18 ½ Cyl. choked barrel with an excellent bore and a 2 ¾” chamber. Matte finish is excellent at 98%. Heatshield with rails. Black polymer pistol grip and forearm are excellent. Includes a black nylon scabbard for easy carry. Great for home defense or as a truck gun.