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EPeS WE Tech & KJW HPA Adapter



  • Made from blackened stainless steel
  • Designed to allow for HPA use in gas blowback pistols and rifles
  • Drop-in replacement to the standard fill valve (see compatibility below)
  • Includes 2 o-ring seals
  • Foster style QD hose connection
  • Compatibility: WE-Tech & KJW style threads
The EPeS MkII HPA adapter is a great add-on accessory for GBB magazines. Notable changes compared to the MkI variant are blackened stainless steel material and a slight change in the exterior design.