This is a Smith & Wesson Revolver: Double Action known as the 617|K22 Masterpiece chambered in 22LR, model # 160578, UPC 022188605785
Model Series: 617|K22 Masterpiece
Gun Type: Revolver: Double Action
Caliber: 22LR
Action: Double Action
Capacity: 10
Finish: Satin Stainless Finish
Stock: Hogue Rubber
Sights: Front: Patridge Rear: Adjustable
Barrel Length: 6
Overall Length: 11.125
Features: Square Butt/ Target Hammer/ Smooth Target Trigger