You can rebuild it. We have the parts. You have the capability to increase the FPS, the rate of fire, the accuracy, range, durability - better than it was before. Better, stronger, faster, there are parts for that. Want your gun to shoot at a higher FPS, drop in a new spring to punch out shots like never before. Want it to cycle shots like a beast, a new set of gears and motors can help with rate-of-fire. Accuracy and range, try a tight-bore barrel or hop-up upgrade. There are quite a few many things one can try to retune and revamp the looks and performance of an airsoft gun. With numerous guides available online, the art of upgrading your airsoft gun can be a very straight-forward matter or a challenging art to perfect, but the rewards are plenty when have a gun shooting like a dream.