Building Fire Trigger & Air-Seal Grease Set for GBB


  • Model: AS5143
  • Manufactured by: Building Fire


  • Building Fire Grease Set for GBB.
  • Including air-seal and trigger grease.
  • Trigger Grease (Red Grease).
  • Air-seal Grease (Red Oil).
  • Lubricate the internal gearbox of airsoft GBB.
  • Ensure your airsoft GBB work smooth and better performance.
  • Essential accessories after upgrade or repair the gearbox.


  • Building Fire model no. - EP-161
  • Weight - 60g (full set)
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    This product was added to our catalog on Wednesday 18 July, 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.