PSEM Reinforced Hop-Up Chamber for AK Gearbox Ver.3


  • Model: AS3768
  • Manufactured by: PSEM


  • PSEM Hop-Up chamber Upgrade Parts.
  • This essential part for replace your airsoft electric gun original Hop-Up chamber.
  • This chamber set is the substantial high-cost performance one.
  • Highly recommend for upgraded Airsoft Electric Gun to withstand higher air pressure.
  • Suitable for AK series airsoft electric gun AEG gearbox (Version 3).
  • Fit tightly to the barrel base to keep the chamber being centered.
  • Includes all parts needed for installation.
  • Require expert on installing into stock AEG.
  • As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed.


  • PSEM model no. - P0122B
  • Weight - 21g
  • Built Material - plastic
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    This product was added to our catalog on Wednesday 15 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.