EMG Daniel Defense Block 2 AEG by G&PFeaturesBuilt; with fully licensed Daniel Defense metal receiver with stamped Daniel Defense markings, authentic DD color Cerakote finishAluminum alloy licensed Daniel Defense 12" M4A1 20mm rail, ideal for grenade launchers, optics and other 20mm accessoriesCutting edge G&P; i5 Version 2 gearboxTop-down quick change spring guide requires only the removal of the upper receiver and buffer tubeInline MOSFET with electronic trigger and electronic selector switch8mm bearings for improved durability and lifespanIntegrated battery cut-off will not allow use of batteries lower than 9.6v, use of 11.1v LiPo batteries recommendedG&P; M140 motorWhile the traditional version 2 gearbox has for the most part remained unchanged since its inception, small changes have occurred over time, usually as the result of popular user modifications that were then made into factory available options. With input from players and vendors, G&P; has released their newest iteration of the Version 2 Gearbox, the G&P; i5. While internally similar to their tried and true V2 gearbox, the i5 comes from the factory with a plethora of upgraded components. The i5 is powered by an M140 motor and features 8mm bearings for more robust performance and reliability. The top-down QD spring guide makes spring changes far easier, requiring only the removal of the upper receiver and buffer tube screw. No gearbox disassembly required.Also included is an inline MOSFET with electronic trigger and Electronic selector, eliminating sensitive trigger switches and selector plates. The i5 gearbox takes the traditional V2 gearbox and makes it more reliable and user friendly, without sacrificing the performance that players have come to expect from G&P.Length;:760mm - 840mm, AdjustableWeight:2750gInner Barrel:363mm, 6.03mm tightbore inner barrelMagazine Capacity:130rd Golfball Textured Polymer Mid-Cap. Works with Tokyo Marui, Matrix, G&P; and other compatible M4 / M16 Series Airsoft AEG MagazinesThread Direction:14mm positiveGearbox:G&P; Version 2 i5Fire Modes:Full/Semi-Auto, SafetyBattery:11.1v butterfly type LiPo battery (Wired to the stock with a standard Deans Connector)Hopup:Yes, AdjustablePackage Includes:Rifle, Vertical Grip,Rail CoversManufacturer:EMG / G&P; (Built with licensed parts from Socom Gear)FPS Range:380-420