KF Airsoft Hop Up Bucking for Marui GBB (KF51-020)


  • Model: AS8058
  • Manufactured by: KF


  • KF Airsoft Hop Up Bucking for Marui GBB (KF51-020).
  • If your hop up adjustment is not having a significant effect on the hop up of your BB, your hop up packing is probably worn down.
  • It is time to change a new one.
  • Packing has the tolerance against hot exhaustion that causes hardening and deterioration.
  • Improve shooting accuracy, air-tightness & firmness.
  • Suitable for Marui Airsoft Gas Gun / GBB Rifle models.


  • KF model no. - KF51-020
  • Color - Red
  • Weight - 10g
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    This product was added to our catalog on Tuesday 27 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.