This semi-automatic 10-shot air pistol is unique with revolver styling and finger-molded grip design, perfect for action shooting.Power Source: CO2Caliber: .177 (4.5 mm)Max Velocity: up to 435 fps (132.59 m/s)Shot Capacity: 10-shot rotary clipLength: 11.38" (28.9 cm)Weight: 2 lbs. (.91 kg.)Barrel: 6" Rifled steelGrip and Frame: Synthetic.