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Established 2006. Kent's Only Authorised 5.11 Tactical Retailer

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Consistent power from your gas mag

Green gas is convenient, but it has one weakness: as the magazine cools during rapid fire the pressure falls and your shots lose power. This HPA magazine tap solves that by connecting your WE or KJW gas magazine straight to a high pressure air line, so every shot leaves at the same steady pressure.

Keep the mag you own

Rather than buying a purpose-built HPA magazine, this part taps into your existing WE or KJW magazine by replacing the gas fill valve. It is a compact, inline solution that lets you feed the mag from a regulated airline.

Fit it safely

Compressed air demands respect. We strongly recommend a professional installs this tap, because an incorrect fit or running above the green gas reference pressure of roughly 110 PSI can cause property damage and serious injury. Take your time and get it set up right.

Need a hand?

Our in-house workshop can advise on HPA conversions and fitting. See our airsoft repair and servicing page, or browse more parts in our airsoft accessories range.

Other
TypeHPA magazine tap / fill valve adapter
CompatibilityWE and KJW gas magazines
FunctionConnects gas magazine to HPA airline
Install methodReplaces existing gas fill valve
Green gas pressure referenceApprox 110 PSI
FitmentInline airline connection

Frequently asked questions

What does this part do?

It taps your WE or KJW gas magazine so it can be fed from a high pressure air line instead of green gas, giving steady, repeatable performance.

Why switch to HPA?

Green gas loses pressure as the magazine cools, so power drops during fast strings. HPA holds a set pressure, so every shot behaves the same.

Can I fit it myself?

Installation by a professional is strongly recommended. Compressed air is dangerous if fitted incorrectly, and exceeding the green gas pressure of around 110 PSI can cause damage and serious injury.

Which magazines does it fit?

It is made to connect WE and KJW gas magazines to an airline. Confirm your magazine model before ordering.

Do I keep my existing magazine?

Yes. The tap works with your current WE or KJW magazine by replacing the gas fill valve, so there is no need to buy a dedicated HPA mag.