This fully licensed Arsenal M7 AEG features a full metal gearbox. This AEG is very well built and ready to take on any opponent! The gun feels very realistic and has official Arsenal trademarks for the ultimate in realism. The gun includes an 8.4v rechargeable NiMH battery and battery charger. The battery is housed in the stock and can be upgraded to a 9.6v battery for increased performance. The metal high capacity magazine holds up to 600 rounds and is compatible with most brands of AK-47 magazines (JG, CYMA, Dboys, TM). This AEG has a 455mm inner barrel making it very accurage at long ranges. The gun shoots at 380 FPS with a range of approximately 120 - 150 ft. If you're looking for a solid AK47 style airsfot rifle at a reasonable price, this is the AEG for you!