Features: New design gearbox assembly MOSFET equipped powertrain 1:1 scale size Stop firing on empty magazine, reactivate with bolt release Ambidextrous controls 3+1 positions retractable stock Specifications: Built Material: Fiber reinforced polymer / Aluminum Alloy / Steel Gear Box: Proprietary Gearbox Magazine capacity: 120 Rds Length: 418-640mm Barrel Length: 202mm Weight: 1665g Muzzle Velocity: Approx. 106 m/s with 0.2g BB Battery: Stock Tube Type Li-Po ( 2S/3S, Up to 21x19x110mm, Mini Tamiya plug, not included ) Package includes: AEG, magazine, manual