This is a Smith & Wesson Revolver: Double Action known as the 500 chambered in 500 SW Magnum, model # 163501, UPC 022188635010
Model Series: 500
Gun Type: Revolver: Double Action
Caliber: 500 SW Magnum
Action: Double Action
Capacity: 5
Finish: Satin Stainless Steel
Stock: Hogue Sorbothane Recoil Absorbing Grip
Sights: Ft:Hi-Viz (Red) Rr:Micrometer Click Black Blade
Barrel Length: 8.375
Overall Length: 15
Features: Muzzle Compensator