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![HPA adaptor for GBB WE/KJW thread [AirsoftPro]](/images/stories/virtuemart/product/airsoftpro-hpa-adaptor-for-gbb-we-kjw-thread-02-edit02.jpg)
![HPA adaptor for GBB WE/KJW thread [AirsoftPro]](/images/stories/virtuemart/product/airsoftpro-hpa-adaptor-for-gbb-we-kjw-thread-03.jpg)
![HPA adaptor for GBB WE/KJW thread [AirsoftPro]](/images/stories/virtuemart/product/airsoftpro-hpa-adaptor-for-gbb-we-kjw-thread-04.jpg)
HPA adaptor for GBB WE/KJW thread
This high-quality HPA adapter from AirsoftPro allows easy conversion of a gas-powered GBB magazine to a high-pressure air (HPA) system.
The adapter is made of durable stainless steel, it offers reliability and long service life even in demanding field use.
The adapter replaces the standard fill valve and is designed for quick connection using a Foster Series 2 QD coupling – the most widely used HPA interface in airsoft.
Technical specifications and benefits
- Direct replacement for the fill valve on GBB magazines or guns.
- Compatible with Foster Series 2 (US QD) quick couplers.
- Thread compatibility: M5 / WE / GHK / VFC / KJW.
- Made from durable stainless steel – ideal for extreme conditions.
- Czech-made – precision machining by AirsoftPro.
Stable performance in any weather
Unlike traditional gas systems, HPA is not affected by ambient temperature changes. The air remains in a gaseous state even in freezing temperatures, ensuring consistent pressure, no cooldown effects, and full usability during winter games.
AirsoftPro
We are in airsoft business since year 2007. We listen customer's needs and try to bring goods with reasonable prices. We gather informations from 15 years of experiences with airsoft. Our AirsoftPro brand spare and upgrade parts are well known in Europe airsoft market.
Currently our shop is the most popular aisoft shop in the Czech Republic with the excellent feedback. See www.heureka.cz. In 2016 we run new modern eshop and working on warehouse logistic improvements to faster orders packing.