This is a Winchester Repeating Arms Shotgun: Semi-Auto known as the Super X4 chambered in 20 Gauge, model # 511205691, UPC 048702009952
Model Series: Super X4
Gun Type: Shotgun: Semi-Auto
Caliber: 20 Gauge
Action: Semi-Automatic
Capacity: 2.75 4+1
Finish: Matte Black
Stock: Composite Stock And Forearm
Sights: Bead
Barrel Length: 26 Matte Black Finish On Barrel
Overall Length: 47
Features: Vent Rib/ TruGlo Long Bead Fiber Optic Front Sight
