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Established 2006. Kent's Only Authorised 5.11 Tactical Retailer

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Reliable air for your HPA setup

The HK Army 48ci 3K aluminium tank is a proven, popular choice for airsoft players running high-pressure air engines. The 48ci at 3000psi capacity strikes the sweet spot between shot count per fill and a compact bottle that carries comfortably in a rig or pack.

Regulator and gauge included

It ships with HK Army’s own regulator pre-fitted, delivering an industry-standard output of roughly 800psi, plus a built-in fill level pressure gauge so you always know how much air you have left before stepping onto the field.

Tough and light

The aluminium bottle is durable enough for regular game use while staying light on the gun or in your kit. The black finish keeps it low-key on any loadout, and the standard threading also makes it compatible with paintball markers.

Important: supplied empty

For safety and shipping compliance the tank is sent completely empty and will not be shipped filled. Have it charged at a suitable fill station before use. Browse our wider airsoft accessories range for lines, regulators and HPA parts.

General
BrandHK Army
ColourBlack
Other
Fill pressure3000psi
Bottle materialAluminium
GaugeFill level pressure gauge included
SuppliedEmpty (not shipped filled)
Tank volume48ci
Regulator outputapprox. 800psi
UseAirsoft HPA (also paintball compatible)

Frequently asked questions

Does the tank come filled?

No. For safety and shipping regulations the bottle is supplied completely empty and will not be shipped filled. You will need to have it filled at a dive shop, paintball or airsoft site with the right compressor.

What output pressure does the regulator give?

The included HK Army regulator delivers an industry-standard output of around 800psi, which suits most HPA engines. You will still run a downstream line regulator to drop it to your gun's working pressure.

Is 48ci the right size for airsoft?

It is one of the most popular sizes for airsoft HPA. A 48ci/3000psi bottle balances a good number of shots per fill against a compact, carryable size that fits most rigs and packs.

Can I see how much air is left?

Yes. A fill level pressure gauge is built into the regulator so you can check remaining pressure at a glance before and during a game.

Will it work with paintball markers too?

Yes. The tank and regulator use standard compressed-air threading, so it is equally at home on paintball markers as on airsoft HPA setups.