This is a Ruger Revolver: Double Action known as the GP100 chambered in 357, model # 1777, UPC 736676017775
Model Series: GP100
Gun Type: Revolver: Double Action
Caliber: 357
Action: Double Action
Capacity: 6
Finish: Stainless Steel
Stock: Wood Grips
Sights: Front: Fixed Rear: Adjustable
Barrel Length: 4.2 Full Barrel
Overall Length: 9.5