Can I Use KWA Mp7 Nozle/Cylinder And Piston Head in KSC ? Yes You Can

Yes you can use KWA Mp7 piston head in KSC MP7 (Taiwan ver.) but you also need to replace its original nozle to KWA version, no modification needed.
But, some sanding required if you want to replace parts in KSC MP7 (Japan ver.). You need to sand outer side of KWA MP7 nozzle before it can move smooth.