SHS - CNC Double O ring cylinder head for M4 (Short) with O ring - Green - GT0032GL

  • $9.99


  • SHS Aluminum Short Type Double O-ring Cylinder Head for Ver.2 M4 Gearbox (Green, O-Ring Bottom)
  • Aluminum Construction
  • Cylinder head enhances airflow through the Airsoft AEG gearbox
  • It keeps the nozzle stroking at the exact center of the cylinder
  • It also stabilizes the loading system
  • With O-Ring on the button
  • Suitable For Version II Airsoft Gearbox
  • Color: Green

 Disclaimer: All aftermarket upgrade parts require necessary skill or modification to install and assemble, please consult with your airsoft technician if needed.



  • Bottom with circle rubber: covered with O ring. This type can have better work and match with mushroom piston heads.
  • Bottom with rubber mat: high quality material, good buffering performance.