Crosman Airsoft Pulse R71 Repeater: * Accessory rails * Removable/Adjustable stock * See-through hopper * Power source: Electric * Mechanism/Action: Full or semi-Auto * Velocity: 205fps * Caliber/Ammo: 6mm plastic BB"s * Magazine capacity: Up to 500 rounds * Material: Synthetic * Barrel: Smooth bore aluminum * Weight: 2.18 lbs * Length: 28.63" * Safety: Lever * Battery type: Rechargeable NiCd * Batteries included with adapter