D-Boys 7mm Bearing AEG M4 Reinforced Gearbox Shell Ver.2


  • Model: AS5173
  • Manufactured by: D-Boys (BOYI)


  • D-Boys 7mm Bearing Reinforced Gearbox Shell.
  • Full metal construction.
  • Anti-heat & Anti-wearing construction.
  • To build a tight & durable gearbox.
  • Suitable for M4/M16/MP5/G3 & Other Ver.2 Gearbox AEG.


  • D-Boys model no. - BI-14
  • Material - Metal
  • Weight - 376g
  • Suitable for - Ver.2 Gearbox AEG
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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.