This is a Savage Arms|Stevens Shotgun: Single Shot known as the 555 chambered in 20 Gauge, model # 23225, UPC 011356232250
Model Series: 555
Gun Type: Shotgun: Single Shot
Caliber: 20 Gauge
Action: Single Shot
Capacity: 1
Finish: Blue
Stock: Adjustable Comb/ Turkish Walnut
Sights: Bead & Mid Bead
Barrel Length: 26
Overall Length: 42.5
Features: Lightweight Aluminum Alloy Receiver