HPA adaptor reduction for GHK magazines


The reduction for the combination of GHK GBB magazines and EPeS HPA adaptors. The reduction is made with M5 thread - so it is compatible with any WE/KJW type of HPA adaptor.

  • The reduction for the installation of HPA adaptors with GHK GBB magazines
  • GHK AK and AR15 magazines variants available
  • M5 thread equipped - can be combined with Mk.II and SCHPA adaptors type WE / KJW
  • 7075-T6 Duralumin made with the anodizing surfacing
  • Made in Czech Republic
  • Package contents selected reduction with needed O-rings


External mounting threads dimensions:

  • GHK AK - M18x1
  • GHK AR15 - M16x1

Product rating: 4.75/5 (4x)

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Product variants

    • HPA adaptor reduction type: GHK AK

    Warehouse number: E108-AK

    Availability: Skladem

    in stock: 79 pcs

    11,89 € incl. VAT

    9,83 €

    • HPA adaptor reduction type: GHK AR15

    Warehouse number: E108-AR

    Availability: Skladem

    in stock: 162 pcs

    11,89 € incl. VAT

    9,83 €

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