HPA Gas Systems

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HK ARMY HPA Aluminum Air Tank 48/3000

HK ARMY HPA Aluminum Air Tank 48/3000

$49.99
The HK ARMY HPA Aluminum Air Tank 48/3000 Aluminum Compressed Air Tank  for airsoft and paintball.  This is an excellent reliable high refresh rate HPA tank from HK ARMY.  This...
Polarstar Kythera HPA Engine
V2 GearboxV3 GearboxSR-25 Gearbox

Polarstar Kythera HPA Engine

$288.00 – $303.00
The Polarstar Kythera HPA Engine for airsoft AEGs.  Fits in various mechbox styles including V2 (M4, etc), V3, and JG SR-25 style.  Achieve 270-500 FPS with simple adjustments.  In addition...
Polarstar JACK - HPA Standard FCU Conversion Kit

Polarstar JACK - HPA Standard FCU Conversion Kit

$347.00 – $352.50
The Polarstar JACK - HPA Standard FCU Conversion Kit.  This is the full sized FCU version for easy programming. Contains everything you need internally.  Works drop-in with most M4/AK platforms.  G&G,...
Chainsaw HPA QD Plug Adapter

Chainsaw HPA QD Plug Adapter

$2.99$1.99
The Chainsaw HPA QD Plug adapter is a 1/8" Foster connector that fits on the 'gun side' of your Polarstar rig line. Use this to attach to your hose rig...
Polarstar F2 - HPA Conversion Kit

Polarstar F2 - HPA Conversion Kit

$441.00 – $443.50
Polarstar F2 - HPA Conversion Kit The F2™ incorporates a new one-piece, lightweight poppet valve design yet still operates on the same principle as the Fusion Engine™ poppet. This valve...
Valken HPA Air Rig Line Hose

Valken HPA Air Rig Line Hose

$28.99 – $32.99
Valken HPA Air Rig Line Hose.  One air line hose.  These air rigs are equipped with our state of the art airline, which is a large bore line for your...
Polarstar Fusion Engine V2 Gen3 - HPA Standard FCU Conversion Kit

Polarstar Fusion Engine V2 Gen3 - HPA Standard FCU Conversion Kit

$565.00$528.00
Polarstar Fusion Engine V2 Gen3 - HPA Standard FCU Conversion Kit.  This is the full sized FCU version for easy programming. Contains everything you need internally.  Works drop-in with most...