SHS/PPS - M90 Cylinder Unit for Systema PTW M4/M16 Series AEG - QT04SHS-QT04
- M90 cylinder unit for systema PTW series.
- Design for Systema Professional Training Rifle (PTW) M4/M16 airsoft electric gun AEG rifle.
- Made by steel and aluminum material.
- M90 power spring offer around 340 - 360FPS (Please noted power output may vary if used in conjunction with custom upgrade parts).
- Full steel piston teeth.
- Compatible with WE Katana, PTW, DTW
- Color: Black