Tokyo Marui - Mp5K Standard AEG Series
This page contains all Original Tokyo Marui Parts which will fit the gun you have selected. If its on this page at some point or in some way it is compatible or relevant. Any questions please email email@example.com
This includes -
H&K MP5K A4 (Version 3 Gearbox)
H&K MP5K A4 PDW (Version 3 Gearbox)
The Gearbox in this series is Version 3.