KWA KM4A1 Metal Carbine, AEG 2 Airsoft Rifle - Caliber 0.24 - FPS 400

KWA 2GX Gearbox KWA 2G High Performance Bucking Removable carry handle Full metal alloy flat top upper receiver Full metal alloy lower receiver Adjustable front and rear sights 6 position LE stock Semi and Full Auto selective fire Adjustable Hop-Up 17+ RPS Velocity = 390-400 fps with .20 gram BB's Overall Length [Retracted/Extended] = 30.75"/34.0" Battery: 9.6v NiMh, 7.4v or 11.1v 15c Li-po/Li-Fe This KM4A1 by KWA airsoft rifle features over 30 structural improvements and performance upgrades that make it the premier choice for serious airsoft enthusiasts and professionals. This gun is engineered specifically for the Lithium Polymer (LiPo) batteries and offers higher capacity and superior performance than the NiMh battery powered guns. But - this powerful battery requires internal components of the highest quality. To compensate for the extreme power of this advanced battery, the KM4A1 features a reinforced metal gearbox that uses KWA's case hardened, precision metal gear sets. A