PSEM Cylinder & Piston Head with Air Nozzle Set for AK Series


  • Model: AS3809
  • Manufactured by: PSEM


  • PSEM AEG upgrade part series.
  • PSEM Cylinder Head with air nozzle set.
  • Made by steel & plastic material.
  • Cylinder head set for AK series version 3 gearbox.
  • Silent piston head with ball bearing.
  • Suitable for AK series version 3 airsoft gearbox.
  • Cylinder head with double O-ring 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. - P0001B
  • Color - Gold & black
  • Weight - 46g (full set)
  • Material - Steel & plastic
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    This product was added to our catalog on Thursday 23 June, 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.