kasaran

will bare in mind, its all new to me, never done any gearbox work before.  the ex rental combat machine is very much a guinea pig

Find "Negative Airsoft" on YouTube.

Love or hate the guy, hes a very good guide on how to build a gearbox correctly.

if your considering a mosfet id throw in a perun v2 hybrid again available fro our lovely ak2m4,also the m4 compression kit upgrade from ak2m4 is another gd call improved my m4 no end