Fully licensed Hecker and Koch MP5 with trademarks Injection molded polymer receiver with a metal alloy outer barrel Ambidextrous HK style selector switches Adjustable length collapsible stock Ideal for CQB environments Mock suppressor Charging handle locks open for easy hop up adjustment Includes 2x hi-cap magazines FPS Range: 330-350 Length: 660mm - 800mm Weight: 2000g Inner Barrel: ~210mm Magazine Capacity: 200rd Hi-Capacity. Works with Tokyo Marui, G&G, Umarex and other compatible MP5 Series Airsoft AEG Magazines Thread Direction: N/A Gearbox: Ver 2 Full Metal, Fully Upgradeable Motor: Long Type Fire Modes: Semi/Full-Auto, Safety Battery: 7.4v Small Type recommended (Wired to the front with a Small Tamiya connector) Hopup: Yes, Adjustable