H&K Elite Series MP5A4 Airsoft AEG Rifle w/ Avalon Gearbox by Umarex / VFc Upgraded inner barrel and upgraded motor Magazine Capacity: 200rd Hi-Capacity. Works with Tokyo Marui, G&G, Umarex and other compatible MP5 Series Airsoft AEG Magazines Muzzle Velocity: 370~390 FPS (Measured with 0.20g BBs) Thread Direction: H&K 3-lug Design, 14mm negative Gearbox: Ver 2 Full Metal Avalon Gearbox, Fully Upgradeable Motor: Long Type Fire Modes: Semi/Full-Auto, Safety Package Includes: Gun, Magazine Battery: 7.4v Lipo small type recommended (Battery not included) Included: Gun, mock suppressor, flashlight integrated hand guard and standard handguard, optic rail mount, 1 high cap mag, 10 mid cap HK mags