This is a Heckler & Koch Pistol: Semi-Auto known as the P2000SK chambered in 9MM, model # 81000055, UPC 642230261204
Model Series: P2000SK
Gun Type: Pistol: Semi-Auto
Caliber: 9MM
Action: Double Action
Capacity: 10+1
Finish: Black/ Nitro-Carburized Finish
Stock: Corrosion-Proof/ Fiber-Reinforced Polymer Frame
Sights: Fixed 3-Dot
Barrel Length: 3. 27
Overall Length: 6. 42
Features: Ambidextrous Mag Rel