This is a Ruger Revolver: Double Action known as the GP100 chambered in 357, model # 1784, UPC 736676017843
Model Series: GP100
Gun Type: Revolver: Double Action
Caliber: 357
Action: Double Action
Capacity: 6
Finish: Stainless Steel
Stock: Hogue Grips
Sights: Front: QC Hi-Viz Rear: Adjustable
Barrel Length: 4.2 Shroud Barrel
Overall Length: 9.5
Features: Custom Engraved Barrel