This is a Ruger Revolver: Double Action known as the GP100 chambered in 357, model # KGPF331-C, UPC 736676017157
Model Series: GP100
Gun Type: Revolver: Double Action
Caliber: 357
Action: Double Action
Capacity: 6
Finish: Stainless Steel
Stock: Black Hogue Monogrip
Sights: Fixed
Barrel Length: 3 Heavy Barrel
Overall Length: 8.5