M120 Cylinder Unit for Systema PTW M4/M16 Series AEG


  • Model: AS3138


  • M120 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.
  • M120 power spring offer around 420FPS (Please noted power output may vary if used in conjunction with custom upgrade parts).
  • Full steel piston teeth.


  • Color - Blue
  • Weight - 154g
  • Sold Out

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    This product was added to our catalog on Wednesday 09 February, 2011.

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    Disclaimer: All airsoft guns, gas blowback guns, spring guns are NOT real firearms. All airsoft guns sold to US customers are affixed with an orange tip permanently.