Length: 510mm / 730mm (Folded / Total) Weight: 2900g Inner Barrel: 275mm Magazine Capacity: 30rds. Works with G&G, Tokyo Marui and other compatible SIG Series Airsoft AEG Magazines Muzzle Velocity: 370~400 FPS (Measured with 0.20g BBs) Thread Direction: 14mm Negative Gearbox: Ver 3 Full Metal, Fully Upgradeable Motor: Medium Type Fire Modes: Semi/Full-Auto, Safety Battery: 9.6v Small Butterfly Type recommended (Battery not included. Wired to Hand guard with small Tamiya Connector) Hopup: Yes, Adjustable Package Includes: Gun, Magazine