This is a Henry Repeating Arms Shotgun: Single Shot known as the Henry Singleshot chambered in 12 Gauge, model # H015B-12, UPC 619835400093
Model Series: Henry Singleshot
Gun Type: Shotgun: Single Shot
Caliber: 12 Gauge
Action: Single Shot
Capacity: 1
Finish: Polished Blue
Stock: American Walnut Straight Stock
Sights: Front Brass Bead Sight
Barrel Length: 28 Round Barrel
Overall Length: 37