This is a Mossberg Shotgun: Pump Action known as the 510 chambered in 410 Gauge, model # 50355, UPC 015813503556
Model Series: 510
Gun Type: Shotgun: Pump Action
Caliber: 410 Gauge
Action: Pump Action
Capacity: 2+1
Finish: Mossy Oak Break Up Camo
Stock: Mossy Oak Break Up Synthetic Adjustable Stock
Sights: Dual Bead
Barrel Length: 18.5 Vent Rib
Overall Length: 34.75 at Minimum Length
Features: Adjustable Length of Pull 10.5 to 11.5