5KU Spring Guide PRO for Marui G17/G18C GBB Pistol (GB-435)


  • Model: AS8145
  • Manufactured by: 5KU


  • 5KU Spring Guide PRO for Marui G17/G18C GBB Pistol (GB-435).
  • CNC Metal Construction.
  • Design for Marui G17/G18C Series Airsoft Gas Blow Back GBB Pistol.
  • The main shaft is precision machined steel with a Teflon surface for a combination of high strength as well as trouble free operation. The tensile strength of the springs and the materials all help to absorb momentum to ensure as smooth an impact as possible to increase reliability and consistency of the recoiling mechanism.
  • Additionally, the new design of the shock buffer allows the selection for three levels of recoil stroke length by removing / adding buffers to tweak the firing cycle length / timing to your liking.


  • 5KU model no. - GB-435
  • Color - Red/Black
  • Weight - 40g
  • Material - CNC Metal
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    This product was added to our catalog on Thursday 29 December, 2016.

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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.