jing gong jg m733 2010 version - full metal gear box aeg electric airsoft rifle gun 450 fps airsoft gun(Airsoft Gun) JG M733 Metal Gear Box Airsoft Electric Gun [JG-F6614] 2008 Upgraded Edition Version 2 Metal gear box installed M120 spring M120 Spring, enhanced gear box, turbo motor, and one piece barrel for stronger performance, higher rate of fire, and better accuracy. Velocity 500fps with .12 bbs, 400-420 with .20 bbs Includes battery and charger