BadaBingPictures got another custom gas blowback in the form of the GHK M16A4 Gas Blowback Rifle. He used the G&P WA M5 RAS Front Set and the Model Works Airsoft M16A2 Stock for the Tokyo Marui M4 MWS GBB ... "Following the M16 build I did for the Tokyo Marui M4 MWS, I soon realised that these parts also fitted the GHK M4. And so, I present to you all the GHK M16A4 GBBR."