5KU 130% Hammer Spring for WA M4 GBB


  • Model: AS4404
  • Manufactured by: 5KU


  • 5KU 130% Hammer Spring.
  • Metal construction.
  • Replace original Hammer Spring.
  • Suitable for WA M4/M16 series GBB gun rifle.


  • 5KU model no. - GB-123
  • Color - Silver
  • Weight - 10g
  • Material - Metal
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    This product was added to our catalog on Wednesday 31 August, 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.