Features Fully Licensed H&K Trademarks Charging Handle with Realistic M27 Lever Full Metal Receiver and RIS Detachable Front and Rear Flip-Up Iron Sights Retractable Stock with Easy Access Battery Compartment Ergonomic Motor Grip Full Metal, Fully Upgradeable 8mm Bearing Version 2 Gearbox FPS Range: 370-400 Color: Black The M27 Infantry Automatic Rifle (IAR) is a lightweight, magazine-fed 5.56mm weapon used by the United States Marine Corps. It is intended to enhance an automatic rifleman's maneuverability and displacement speed, and it is based on the HK416. The Elite Force H&K M27 IAR by VFC replicates many of the details of the real-steel firearm including the lever on the charging handle, the flip-up iron sights, and of course the fully licensed H&K Trademarks.The VFC Avalon gearbox is an improved Tokyo Marui Spec Ver2 with low friction high quality steel bearings, built-in MOSFET, and quick change spring system; driving the gearbox is a high torque neodymium magnet motor.Length: 810mm / 889mm (Adjustable)Weight: 3020gInner Barrel: ~360mmMagazine Capacity: 300rd Hi-Capacity. Works with Matrix, G&G, Tokyo Marui and other compatible M4 / M16 Series Airsoft AEG MagazinesMuzzle Velocity: 370~400 FPS (Measured with 0.20g BBs)Thread Direction: 14mm NegativeGearbox: Ver 2 Full Metal, Fully UpgradeableMotor: Long TypeFire Modes: Semi/Full-Auto, SafetyPackage Includes: Gun, Magazine, ManualBattery: 9.6v Small Butterfly Type recommended (Battery not included)Hopup: Yes, AdjustableManufacturer: Elite Force OEM: VFC (Licensed by Heckler & Koch)