Full metal body and gear box for increased performance and durability, Wood front stock, 380-450 FPS (.20g vs .12g BB"s), 750 RPM, semi and full auto shooting modes, adjustable hop-up for increased distance and accuracy, Electric blow back simulates authentic firing recoil, high capacity 500 round magazine, rechargeable 9.6 NI-MH 800mAh battery pack and charger, adjustable sights , stainless steel innner barrel for increased accuracy, pistol grip with advanced trigger guard, compact design for greater agility and range of motion, foldable butt stock, ideal for close quarters combat.