PSEM Cylinder Head & Piston Head Set for M4/M16 AEG


  • Model: AS3810
  • Manufactured by: PSEM


  • PSEM AEG upgrade part series.
  • PSEM Cylinder & Piston Head Set.
  • Made by steel & plastic material.
  • Cylinder head set for version 2 gearbox.
  • Silent piston head with ball bearing.
  • Suitable for M4/M16 series version 2 airsoft gearbox.
  • Cylinder head with dual 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
  • Sold Out

    To be notified when this product is back in stock please click here.

    This product was added to our catalog on Thursday 23 June, 2011.

    Let us notify you when this product is back in stock!

    Simply enter your details below and we will send you an e-mail when “PSEM Cylinder Head & Piston Head Set for M4/M16 AEG” is back in stock!

    We will not send you any other e-mails or add you to our newsletter, you will only be e-mailed about this product!

    Follow Us: Facebook YouTube we accept is Upfront
    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.