Comes With 12 C02 Canisters, No BBs. Single Fire does not work on gun. Only full auto Manufacturer Beretta Caliber.177 Velocity 330 fps Condition New Used Ammo Type BBs Action Full-auto Barrel Style Smooth bore Fire Mode Repeater Gun Weight2.40 Overall Length8.50 Barrel Length4.50 Loudness4-Medium-High Magazine Capacity18 Mechanism CO2 SafetyManual