FPS: 400 Specifications: Length: 1150mm Weight: 3800g Inner Barrel: 470mm Magazine Capacity: 160rds. Works with Tokyo Marui, Matrix, G&P and Other Compatible M14 Series Airsoft AEG Magazines Muzzle Velocity: 350~400 FPS (Measured with 0.20g BBs) Thread Direction: 14mm Positive Gearbox: Ver.7 Motor: G&P High Performance Motor Fire Modes: Full/Semi-Auto, Safety Battery: 7.4v Lipo recommended. Can accommodate up to an 8.4v Large Type Battery (Wired to Stock with Standard Deans Connector. Battery not included) Hopup: Yes, Adjustable Open to price negotiation, but no trade offers. Message me if you have any questions.