[R.I.T.Z]

Originally Posted by plaugue

so the mech boxes with 7 and 8 mm gears make any differance in game play ?

those a bearing inside the gearboxes that allow for smoother operation. the actual function of said bearings would need to be explain by a gun doc which i am not. I am sure there is a thread around here somewhere about it.
use the search button and see if you can find a thread. or theres always google.