- Torque Up Gear is designed to increase torque for pushing higher spring tension in power upgrade AEG- It may lower the rate of fire, but muzzle velocity (FPS) of each shot will be highly upgraded- Package included bevel, spur, and sector gear- Suitable for Ver 2 (M4,M16) / Ver3 (AK series) AEG Gearbox- made of steelManufacturer : Battleaxe
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