This is a Sig Sauer Rifle: Air Gun known as the MCX chambered in 177, model # 798681529360, UPC 798681529360
Model Series: MCX
Gun Type: Rifle: Air Gun
Caliber: 177
Action: Semi-Automatic
Capacity: 30
Finish: Flat Dark Earth
Stock: Synthetic/ Flat Dark Earth/ Tactical Foregrip
Barrel Length: 18 Rifled Steel Barrel
Features: Patented CO2 Cartridge System/ 88GR/ Metal Housing