Well man I am sorry but if it is not the spring it was phenomenal coincidence! low batt reading was 345-350 and I shot about 20 times not only 2 or 3. With battery fully charged it was 360-365 FPS again a good 20 shots
Tbh I don't give a damn! It is just that I was seeing people posting IT'S IMPOSSIBLE BLA BLA BLA. And with my experience it really seem to be possible. But like I said with this 10 FPS drop the rate of fire was so slow that it was constantly semi locking in a game it would have been a long time before you would have changed your battery...