D-Boys Spring Guide 7mm Bearing & Piston Head for Ver.2 Gearbox


  • Model: AS5117
  • Manufactured by: D-Boys (BOYI)


  • D-Boys Spring Guide, 7mm Bearing & Piston Head set.
  • Essential part for upgrading your airsoft AEG.
  • This spring guide with ball bearing is designed to minimize the load for the motor caused by the spring tension, makes spring effectively spring back.
  • Duracon piston head with thrust bearing is renewed to be more effective.
  • 7mm bearing bushing allow to build a tight & durable gearbox.
  • For Airsoft Gearbox Ver.2 Airsoft AEG.
  • As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed.


  • D-Boys model no. - M-47
  • Weight - 31g (set)
  • Material - Reinforced Polymer, Duracon & Steel
  • Gearbox type - Version 2
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    This product was added to our catalog on Monday 17 September, 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.