This is a Mossberg Shotgun: Pump Action known as the 590A1 chambered in 12 Gauge, model # 50765, UPC 015813507653
Model Series: 590A1
Gun Type: Shotgun: Pump Action
Caliber: 12 Gauge
Action: Pump Action
Capacity: 6+1
Finish: Parkerized
Stock: Black Synthetic/ MLOK Forend
Sights: Ghost Ring Sights
Barrel Length: 18.5
Overall Length: 42.75
Features: Heavy Wall Barrel