This is a Smith & Wesson Revolver: Double Action known as the 629 chambered in 44M, model # 163638, UPC 022188636383
Model Series: 629
Gun Type: Revolver: Double Action
Caliber: 44M
Action: Double Action
Capacity: 6
Finish: Satin Stainless Finish
Stock: Hogue Rubber Combat
Sights: Front: Red Ramp Rear: White Outline
Barrel Length: 6.5
Overall Length: 12
Features: Square Butt/ Target Hammer/ Smooth Target Trigger