This is a Smith & Wesson Revolver: Double Action known as the 610 chambered in 10MM, model # 12463, UPC 022188877748
Model Series: 610
Gun Type: Revolver: Double Action
Caliber: 10MM
Action: Double Action
Capacity: 6
Finish: Satin Stainless Steel
Stock: Hogue Rubber/SB Conversion Grip
Sights: Front: Red Ramp Rear: Adjustable
Barrel Length: 4.125
Overall Length: 9.5
Features: Forged Hammer and Trigger