PSEM Dual O-ring Cylinder Head for Ver.2 Gearbox


  • Model: AS3806
  • Manufactured by: PSEM


  • PSEM AEG upgrade part series.
  • Stainless steel construction.
  • Cylinder head enhances airflow through the airsoft AEG gearbox.
  • Suitable for version 2 airsoft gearbox.
  • With pad on the button.
  • Dual O-ring for better air sealing.
  • It keeps the nozzle stroking at the exact center of the cylinder.
  • It also stabilizes the loading system.
  • As always, upgrading AEG require necessary skill and technique to dissemble the gearbox, consult expertise if needed.


  • PSEM model no. - P0013A
  • Color - Gold
  • Weight - 27g
  • Material - Reinforced plastic & steel
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    This product was added to our catalog on Tuesday 31 May, 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.