Beautiful gun super fun no problems shoot Well shoots far. Had plans for HBA tapping it but money is tight so unfortunately I have to let her go. Rear side missing comes with 140 round midcalf mag and 500 round high cap metal mag Manufacturer: DYTAC FPS Range: 350-380 Specifications: Length: 880mm / 960mm (Stock Collapsed, Stock Extended) Weight: 2820g Magazine Capacity: 500rd Hi-Capacity. Works with Matrix, Cyma, Tokyo Marui and other compatible AK Series Airsoft AEG Magazines Thread Direction: 14mm Negative Gearbox: Version 3, Fully Upgradeable Motor: Short Type Fire Modes: Semi/Full-Auto, Safety Battery: 9.6v Small Stick Type / 11.1V Stick Type Li-Poly Battery Recommended (Maximum Battery Width 19mm. Wired under dust cover w/ small Tamiya) Hopup: Yes, Adjustable