HPA Valve | US | KWA/KSC | Action Army

HPA Valve | US | KWA/KSC | Action Army – Adapter for your HPA or PCP setup

The Action Army HPA Valve US-type is this specific adapter that makes KWA and KSC gas magazines compatible with HPA systems. By replacing the standard inlet valve with this metal HPA valve, you connect your magazine directly to an HPA regulator and compressed air bottle. This provides stable performance without the limitations of green gas, which is especially important in fluctuating temperatures or during intensive use.

Technology and application

This US-type valve features a thread that fits precisely into KWA/KSC magazines. The connection on the HPA side requires a hose with an EU-type coupling – pay close attention to this when assembling your setup. The robust material is fully metal for maximum durability under pressure. For some magazines, you may need to enlarge the feed hole in the end plate for correct fitting. Always use Teflon tape on the thread for an airtight seal.

Ease of use and integration

Installation of this adapter is done by first unscrewing the original inlet valve from the magazine. Then screw in this HPA valve using sealing tape. The valve integrates with standard HPA components: an adjustable regulator (typically 60-120 PSI output), HPA hose with EU quick-disconnect, and a compressed air bottle of 48/3000 or 68/4500 PSI. After installation, test the connections with soapy water to detect any leaks.

Who is this adapter intended for?

KWA and KSC users making the switch from green gas to HPA will find their technical solution here. Competitive players who require consistent FPS values, CQB specialists who want to stay within field limits, and airsoft enthusiasts playing in cold conditions will benefit from this conversion. Technicians optimising replicas for maximum efficiency also choose this type of adapter as part of their HPA system.

Ready to add the HPA Valve | US | KWA/KSC | Action Army to your setup?