U.S. Marines CM4 Airsoft AEG Expeditionary Rifle: * Official USMC Mud color * Accessory rails * Removable/adjustable stock * Key specifications: * Power source: electric * Mechanism/action: full or semi-auto * Velocity: 375fps * Caliber/ammo: 6mm plastic BBs * Magazine capacity: up to 600 rounds * Material: synthetic * Barrel: smooth bore aluminum * Safety: lever * Battery type: rechargeable NiCd * Batteries included with adapter