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Titan Forge Airsoft

HK Army Alpha Air Tank 88ci / 1.5L — Carbon Fibre HPA Tank (4500psi)

HK Army Alpha Air Tank 88ci / 1.5L — Carbon Fibre HPA Tank (4500psi)

Regular price £214.95 GBP
Regular price Sale price £214.95 GBP
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HK Army Alpha Air Tank 88ci / 1.5L — UK RHO and EU Pi certified, which matters if you fill in the UK. 1.5L at 4500psi, 243mm long, 112mm across, around 0.86kg.

This is the tank for high-demand setups and long milsim events where a refill is not available on request. More air than the 77ci, still a size you can carry comfortably, and built to the same ultra-light Alpha standard.

The certification detail is the one worth reading if you play in Britain: this bottle is certified to UK RHO and EU Pi regulations with independent inspection and a five-year hydro test standard. Some dive shops and fill stations will check.

It is 243mm long and 112mm in diameter at around 0.86kg, carbon fibre wrapped over aluminium.

Specifications

Specification Detail
Capacity 88ci / 1.5L
Fill pressure 4500psi maximum
Construction Carbon fibre wrapped aluminium core
Thread 5/8-18 UNF, standard HPA
Diameter 112mm, 4.4 inches
Length 243mm, 9.65 inches, bottle only
Weight Approximately 0.86kg
Regulator Not included
Certification UK RHO and EU Pi certified, independently inspected
Hydro test interval 5 years
Supplied Empty

Good to know before you buy

UK RHO and EU Pi certification is worth having if you fill at a dive shop rather than on site.

This is the size we would point a recoil-system or high-consumption engine owner at, where a 68ci can run short on a full day.

Frequently asked questions

Why does the certification matter?
A UK RHO and EU Pi certified bottle with independent inspection is what a UK fill station will want to see.

Who is it for?
High air consumption engines and recoil systems, or long events where refilling is not guaranteed.

How big is it?
243mm long by 112mm diameter, around 0.86kg.

Is a regulator included?
No. The bottle ships on its own.

⚠ Supplied as the bottle: A regulator is a separate line. Any standard 5/8-18 UNF unit fits — see HPA regulators.
💡 Titan Forge Airsoft tip: Pair a big bottle with a tank cover if it rides on your back - see HPA.
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