This is a Magnum Research Pistol: Semi-Auto known as the Desert Eagle chambered in 50AE, model # DE50, UPC 761226022350
Model Series: Desert Eagle
Gun Type: Pistol: Semi-Auto
Caliber: 50AE
Action: Single Action
Capacity: 7+1
Finish: Black
Stock: Hogue Two Panel Rubber
Sights: Fixed
Barrel Length: 6 Chrome Lined Barrel
Overall Length: 10. 75
Features: Full Picatinny Rail with Eight Mounting Slots