PSEM Dual O-ring Cylinder Head for Ver.6 Gearbox


  • Model: AS3807
  • Manufactured by: PSEM


  • PSEM AEG upgrade part series.
  • Reinforced plastic & steel construction
  • Replace cylinder head for your airsoft electric gun original part.
  • For version 6 airsoft gearbox.
  • Suitable for P90/ M1A1 series airsoft AEG rifle.
  • Equipped with oil and friction resistant o-ring and buffer rubber to provide better air sealing and cushioning from the piston.
  • Making each shot smooth and lock-free.
  • It also stabilizes the loading system.
  • As always, upgrading AEG require necessary skill and technique to dissemble the gearbox, consult expertise if needed.


  • PSEM mpdel no. - P0013C
  • Color - Gold
  • Weight - 30g
  • 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.