I have a G36c (as the title suggest) I was planning on upgrading using systema helical gears. I was going to get the gear set from
www.airsoftextreme.com. The set comes with a piston, metal bushings and the gears. I was also going to upgrade the spring to m120. The question is what else do I need to get, a piston head, a giude for the spring, a new cylinder and cylinder head, silcon oil? those kinds of things or will i be fine with the things i have. Also what kind of gear set should I get the torque up or the high speed gears. Basically Im looking for something thats going to last and keep my rate of fire close to stock and not crack the gear box.
