Krytac Full Metal Alpha SDP Airsoft AEG Rifle Black P

Aluminum alloy receivers SPD front assembly Integrated MOSFET; 8mm ball bearing bushings; Quick change spring system Ambidextrous fire selector Adjustable rotary hop-up 2 position compact carbine stock Non-functional mock bolt plate, plate mechanism, internal catch and catch spring removed for further weight reduction Manufacturer: Krytac FPS Range: 290-310 Specifications: Length: 527mm - 610mm (20.74" - 24.02") (Adjustable)Weight: 2500g (5.5lbs)Inner Barrel: 135mm (6.05mm Diameter)Magazine Capacity: 300rd Hi-Cap M4 magazine. Works with Tokyo Marui, Matrix, G&P and other compatible M4 / M16 Series Airsoft AEG MagazinesThread Direction: N/AGearbox: Ver 2 Full Metal, Fully UpgradeableMotor: Long TypeFire Modes: Semi/Full-Auto, SafetyPackage Includes: Gun, Magazine, Front and Rear Sights, ManualBattery: 7.4v 1000mAh Small PEQ Type Li-Po recommended (Battery not included. Wired to the stock with Small Tamiya connector) (NOTE: Battery output rating should not exceed 30 amps)Hopup: Yes