U.S. Army Duty Calls Airsoft DCM4CQB AEG Rifle: * Telescopic tactical stock * Adjustable hop-up system * Material: rugged nylon fiber body, metal gears and metal gearbox * Barrel: smooth bore * Power source: electric * Mechanism/action: full/semi-auto * Velocity: 400fps w/20gr wt ammo * Caliber/ammo: 6mm plastic BBs * Magazine capacity: up to 300 rounds * Battery type: rechargeable * Battery and adapter included * Safety: lever * Model# 57010