- M120 spring, Helical Hyper torque steel gears, 8mm steel ball bearings, aluminum cylinder, aluminum cylinder head with double o-rings and impact pad, reinforced nylon fiber piston with 6 steel teeth, aluminum one way piston head with bearings and double o-ring, aluminum spring guide with steel bearings, black color POM nozzle with internal o-ring, high temperature wires.

- For G36 series AEG's