We have designed the Raven NEO to be affordable without compromising performance. The NEO series is equipped with high-quality nylon filled polymer body and rail system, our new Electronic Trigger System (ETS) that allows the use of 11.1v batteries and boasts improved trigger response and reliability, full metal gearbox with Quick Spring Change, rotary hop-up, 6.03mm precision inner barrel and 8mm metal bearings.The NEO series is equipped with the LEVIN metal gearbox that is precisely made and equipped with high-quality internals to ensure durability. Each gearbox is equipped with our new ETS, 16 gauge silver-coated wiring, high torque motor, full metal teeth piston, 8mm metal bearings and true quick spring change systemThe DD18 is a classic platform perfect for beginners. The standard 20mm quad rail system provides plenty of mounting space and fits a variety of accessories. EXTERNALS Grip Polymer pistol grip Handguard/Rail Nylon Filled Polymer Mag Catch Right Hand Overall Length (Stock Extended) Overall Length (Stock Retracted) Receiver/Body Nylon Filled Polymer with Laser Marking Selector Right Hand Stock Polymer Weight INTERNALS Battery 11.1V Lipo (Graphene Not Recommended) Bushing / Bearings 8mm Bearings Gear Set 18:1 Gearset Gearbox Full metal with true quick spring change, Standard V2 Compatible Hop-Up chamber Polymer rotary Inner Barrel Diameter 6.03mm Inner Barrel Length Inner Barrel Material Motor high torque motor Quick Spring Change Yes Trigger System Electronic Trigger System (ETS) This Bundle also includes the following to help you get started with your Rifle: 1 x Rebel 1300mAh Lipo 11.1V 20C Stick Deans Battery 1 x Rebel RBC01 Smart Battery Charger 1 x Lipo Safety Sack for safe charging 1 x Bottle of Rebel .20g BBs