Features: Fully licensed FN Herstal trademarks High quality injection molded reinforced polymer frame Ultra light weight, compact, and maneuverable Ergonomic design makes the weapon incredibly comfortable to shoulder and fire Metal upper receiver assembly with tactical rail for mounting lights, lasers, and optics Bullpup design allows for a longer inner barrel to improve accuracy and range Fully ambidextrous controls allow the weapon to be operated by either left or right handed users without reconfiguration or modification Reinforced TM compatible ver.6 gearbox Adjustable hopup Length: 500mm Weight: 2540g Inner Barrel: ~290mm Magazine Capacity: 68rd Standard Capacity. Compatible with other similar P90 Series Airsoft AEG Magazines Muzzle Velocity: 400~410 FPS (Measured with 0.20g BBs) Thread Direction: 14mm Negative Gearbox: Ver 6 Full Metal, Fully Upgradeable Motor: Long Type Fire Modes: Semi/Full-Auto, Safety Package Includes: Gun, Magazine, 9.6v Battery Pack, Charger, Manual, 7.4v LiPo Battery, LiPo Smart Charger, LiPo Safe Bag Battery: 9.6v P90 type NiMH or 7.4v 1500mAh PEQ type LiPo recommended (Wired to the rear with a Small Tamiya connector) Hopup: Yes, Adjustable