EPes HPA adaptor reduction for GHK magazines M4/AK

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