G&G GK5C Battery Installation Howto
OptimusPrime
03 Jun 2014
We haven't actually fully handled the G&G GK5C though some say installing the battery is always an issue as it's not exactly child's play. Thus, here's a video made by the company showing the proper way of installing a battery into the handguard. We guess you better start practicing such procedure to get proficient (and perhaps get the same type of battery).