Working great! Only fielded once, cleaned. Stock internals, consistent fps around 1.35j. Has been rewired to Deans, 11.1 ready. With 1 mag Features Full metal aluminum EBR chassis provides a realistic look and feel 5 position adjustable crane style stock Complete rail system ideal for mounting optics, accessories, and bipods Side and bottom rails provide plenty of additional accessory real estate Adjustable M14 style rear sight Full metal version 7 gearbox can be easily repaired or upgraded Compatible with standard CYMA / Tokyo Marui M14 magazines Manufacturer: Echo1 FPS Range: 395-405 Specifications: Length: 955mm-1040mm, Adjustable Weight: 4200g Inner Barrel: 420mm Magazine Capacity: 400 rounds Muzzle Velocity: ~395-405 FPS (Measured with 0.20g BBs) Gearbox: Full Metal Ver 7, Fully Upgradeable Motor: Long Type Fire Modes: Full Auto, Semi-Auto, Safety Package Includes: Gun, Magazine, Battery, Charger Battery: 9.6v Small Butterfly Type recommended (Battery & charger included) Hopup: Yes, Adjustable