Lightweight Construction Adjustable Hop-up 85mm Steel Flash Suppressor Steel Folding Stock Polymer Pistol Grip Realistic Takedown for Furniture Replacement Semi and Full-automatic Fire Functioning Safety FeatureSpecifications: Operation Electric AutomaticBuild Metal Receiver, Barrel/ Polymer GripFiring Modes Semi-automatic and Full-automatic, w/ Functional SafetyMuzzle Velocity 390 - 400 FPS (w/ 0.20g BBs)Gearbox Full Metal Version 3Magazine 600-round High CapacityBattery 8.4V Stick (Not Included)Barrel Length 353mmHop-Up AdjustableWeight 7.2 lbsOverall Length 23.2 in./ 32 in. (Folded/Retracted) AEG