An actual praise of Eagle6 Airsoft's upgrade services for anything Tokoy Marui. For those looking for third-party support for Tokyo Marui products, Eagle6 Airsoft is always the go to shop for airsoft players in Europe. If you cannot find a particular part for your Marui AEG, whether standard or new generation, you can always find it at Eagle6. Here is Airsoft_Ross on  the upgrades done to his TM HK416D NEG...