Have the following: Semi upgraded G&P M14 internals Upgrades: Godzilla high torque motor hop up bucking and flat nub M140 spring New gears Motor is loose have not opened it to tighen it so sometimes shooting gets it to stuck gears. Cyma M14 that I use for parts for the upgraded one, its fine but gears seems to be stuck and i havent opened it to fix it, same problem. Will include 7.4 lypo battery and charger