5KU Reinforced Spring & Pin Set for WA M4 GBB


  • Model: AS4403
  • Manufactured by: 5KU


  • 5KU WA M4 Reinforced Spring & Pin Set.
  • Made by aluminum material.
  • Reinforced Spring & Pin Set for G&P WOC / WA M4/M16 Series GBB.
  • Included: Trigger Spring, Magazine Catch Spring, Sear Spring, Hammer Lock Spring & Selector Spring, Trigger Pin, Hammer Lock Pin, Selector Pin & Hammer Lock Shim.


  • 5KU model no. - GB-122
  • Weight - 12g
  • Material - Aluminum
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    This product was added to our catalog on Monday 05 September, 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.