Gear sector clip. Basically this upgrade part can enable the tappet plate(Nozzle bar) to delay it's releasing time. So it can prevent BB feeding problems in the AEG and can improve BB feeds a considerable amount.
Even though it is a small upgarde part which should be installed in the gear box, It will guarantee AEG's reliable performance.
This part has no side effects such as power loss or erosion of tappet plate. This part is compatible with all Marui products (except PSG-1 & UZI), CA, ICS, Systema.