Full Metal Receiver - Nylon Fiber foregrip - Metal Folding Skeleton Stock - Full Metal King Arms internal parts - Adjustable front and rear sights Muzzle Velocity: 320~350 FPS (Measured with 0.20g BB's) Length: 480mm / 720mm (Folded / Total) Weight: 2.66kg Battery: 8.4v Small Stick Type / 7.4v LiPo (Battery not included) Gearbox: 7mm Bearing reinforced Galil type. Firing Mode: Semi, full auto and safe