This is a Smith & Wesson Revolver: Double Action known as the 66|Combat Magnum chambered in 357, model # 162662, UPC 022188626629
Model Series: 66|Combat Magnum
Gun Type: Revolver: Double Action
Caliber: 357
Action: Double Action
Capacity: 6
Finish: Glass Bead Stainless Steel
Stock: Synthetic Grip
Sights: Front: Red Ramp Rear: White Outline Adjustable
Barrel Length: 4.25
Overall Length: 9.6875
Features: Full Top Strap And Barrel Serration