Specifications Operation: Electric Automatic Build: Metal/Aluminum/Polymer Firing Modes: Semi-Automatic. Full-Automatic, W/ Functional Saftey Muzzle Velocity: 400 Fps (W/ 0.2G Bbs) Gearbox: Version 2 Full Metal Magazine: 350 Rounds Battery: 9.6V 1600Mah Butterfly Type Inner Barrel: 310Mm (6.05Mm Diameter) Hop-Up: Adjustable Weight: 6.10 Lbs Overall Length: 29.72 - 33 Package Includes:1X Warsport Lvao-C AEG, 1X Magazine, 1X Front Sight, 1X Rear Sight, 1X Short Lvoa Rail Segment, 1X User Manual, 1X Cleaning RodColor: BlackFeatures Unique Handguard Provides User With Tactical Flexibility And Customization. Aluminum Alloy Receivers Feature Authentic Wsi And Lvoa Markings. Krytac Trident Pistol Grip And Battery Stock For User Comfort. Ambidextrous Fire Selector For Either Handed Shooter. Krytac Rotary Hop Up Included For Accurate Precision. The Only Officially Licensed Lvao AEG War Sport Industries Llc. 8Mm Ball Bearing Gearbox With Integrated Mosfet To Regulate Electronic Signals And Protect Trigger Contacts. The Gearbox Also Includes A Small Window On The Left Side To Simplify Lubrication Directly To The Gears Or Piston.