We're back to looking to a classic AEG that we hope Tokyo Marui would revive and put the NGRS engine in it. Joe Airsoft does a Filipino-language takedown of the Tokyo Marui SIG 552 AEG... "Here is my review and disassembly of Tokyo Marui Sig 552, it's an old model or airsoft but it has a great build quality despite of being made almost in plastic."