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Serious air for HPA setups

The Field Spirit 48ci high pressure air tank gives HPA airsoft and paintball players a robust, reliable air source for long days on the field. With 0.8 litres of capacity charged to 3000psi, it holds enough compressed air to keep a thirsty engine running through extended games without constant refills.

Stable, regulated output

An integrated regulator steps the stored 3000psi down to a steady 800psi output, the smooth, consistent supply an HPA engine needs to shoot to a repeatable velocity. A fitted pressure gauge lets you check remaining air at a glance, so you are never caught out mid-skirmish.

Built strong and safe

The bottle is aluminium with a steel base for rigidity and durability, topped by an aerospace-grade metal cap with a double O-ring seal. It is Pi (TPED) approved and manufactured to EN ISO 7866 to UK spec, with a 5 year hydrostatic retest cycle so you can fill it with confidence for years.

Fill and play the right way

Charge with compressed air only, never CO2, and never exceed the 3000psi working pressure. The standard ASA thread fits HPA-converted replicas and paintball markers alike. Complete your rig with the right lines and gas from our BBs, gas and batteries range and browse more airsoft accessories.

General
BrandField
ColourBlack
Dimensions
LengthApprox. 28cm with regulator
Other
Capacity0.8 litres / 48ci
Regulator output800psi
GaugeFitted
MaterialAluminium with steel base
CertificationPi approved, EN ISO 7866
TypeHPA compressed air tank with regulator
Working pressure3000psi / 200 bar
Test pressure4500psi / 310 bar
CapAerospace-grade metal with double O-ring
DiameterApprox. 9cm
Weight (with regulator)Approx. 1.35kg
Retest cycle5 years
Fill mediumCompressed air only

Frequently asked questions

Will this fit my airsoft HPA gun and paintball marker?

Yes. It uses the standard ASA thread found on HPA-converted airsoft replicas and paintball markers, so it works across both. Check your gun or line uses the standard connection before ordering.

What output pressure does the regulator give?

The onboard regulator delivers a stable 800psi output from the 3000psi stored air, which suits most HPA engines. Always confirm your engine's recommended input pressure and set up accordingly.

Is it filled with compressed air or CO2?

Compressed air only, up to 3000psi. Never fill an HPA cylinder with CO2. Use a filling station, scuba tank or compressor rated for HPA and never exceed the stated working pressure.

What does Pi approved and 5 year retest mean?

The bottle and regulator carry Pi (TPED) approval to EN ISO 7866, the standard for transportable pressure vessels. It must be hydrostatically retested every 5 years to stay legal and safe to fill.

How long will 48ci last in a game?

At 0.8 litres this mid-size bottle gives plenty of shots for a full game day on most airsoft HPA setups, with the exact figure depending on your engine tune, dwell and rate of fire.