Introducing the Desert Eagle. The first CO2 pistol with a blow-back pellet system. Designed to give the shooter a realistic recoil feeling, the Desert Eagle has a moving top slide that is energised when the pistol is fired. The Desert Eagle has Picatinny rails integrated into its unique design to allow the mounting of optical accessories such as scopes, lasers sights and illuminators. Calibre: .177 (4.5mm) Pellet. Trigger: Single and double action. Capacity: 8 Shot. System: Blow-back CO2. Sights: Non adjustable. Safety: Trigger and firing pin safety. Barrel: Rifled barrel. Barrel Length: 5.7" (144mm). Overall Length: 11" (280mm). Weight: 1100g. Max Velocity: 120m/sec (393ft/sec). Muzzle Energy .