Realistic electric blowback design Built-in spring detention function Full metal receiver for a heavyweight, realistic feel Custom keymod style front rail system Full length upper rail perfect for optics Polymer flip-up front and rear sights Ergonomic pistol grip Adjustable stock with integrated QD sling mounting point Full metal ICS split gearbox for easy maintenance and upgrades Compatible with 11.1v LiPO batteriesManufacturer ICSMaterial Metal and PolymerLength 700mm - 795mm (Adjustable Stock)Weight 2590gInner Barrel 263mmCapacity 300 Round Hi-Capacity (Works with M4/M16 Series Airsoft AEG Magazines)Velocity 380 - 400 FPS (w/ 0.20g BBs)Thread Direction 14mm NegativeGearbox Version 2 Full Metal ICS Split TypeFire Modes Semi-auto, Full-auto, SafetyBattery 11.1v Small Stick Type LiPo (Not Included)Hop-up Yes, AdjustableColor TanIn the Box 1x Gun 1x Magazine 1x Manual