改左齒??
If your 齒 is tougher ... you could say goodbye to your "sky ladder".
If your "sky ladder" is tougher ... say goodbye to your 齒 ...
With 9.6 V ... either case their days are numbered.
If your mag could not supply bullets fast enough, why bother pushing your toy gun that fast?
There should be some blank shoots during full auto ... which is again ... bad for your gun.