Element Aluminum Ball Bearing Piston Head


  • Model: AS4731
  • Manufactured by: Element


  • Element level 2 upgrade parts.
  • Essential part for upgrading your airsoft AEG.
  • Made by aluminum material.
  • Piston head with ball bearing is renewed to be more effective.
  • Redesigning the area of port at the head front & the total weight.
  • 8 ported piston head vents for maximum compression.
  • Precision ball bearings to alleviate spring tension and increase release rate, which provides consistent FPS for every shot.
  • This piston head is perfect for most high torque gearbox setups.
  • Suitable for version 2/3 gearboxes.
  • Reinforced piston head will provide extra duration during rapid & prolonged firing.
  • As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed.


  • Element model no. - IN0406
  • Color - Silver
  • Weight - 12g
  • Material - Aluminum
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    This product was added to our catalog on Tuesday 17 April, 2012.

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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.