HK Army Alpha Air Tank 68ci / 1.1L — Carbon Fibre HPA Tank (4500psi)
HK Army Alpha Air Tank 68ci / 1.1L — Carbon Fibre HPA Tank (4500psi)
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DETAILS
DETAILS
- description
The 68ci is the most popular HPA tank size in airsoft for good reason — it’s the sweet spot between air capacity, weight, and overall length. Not so short that you’re refilling constantly, not so long that it becomes awkward on your loadout. The HK Army Alpha 68ci takes that sweet spot and makes it lighter than it has any right to be.
As the lightest carbon fibre 68ci tank HK Army has produced, the Alpha range uses a carbon fibre wrapped construction over an aluminium core that saves meaningful weight compared to older carbon tanks, let alone aluminium. At 208mm bottle length and just 0.7kg, it profiles tightly on most stocks and doesn’t drag down an all-day loadout. Built to DOT/TC-UN (ISO11119-2) safety standards and independently inspected. Available in multiple HK Army colourways.
HK Army Alpha range — choosing the right size
| Tank | Capacity | Length | Best for |
|---|---|---|---|
| Alpha 48ci | 0.8L | ~180–200mm | CQB, speedsoft, compact builds |
| Alpha 68ci (this) | 1.1L | 208mm | Most field players — best all-round |
| Alpha 77ci | 1.26L | 228mm | Extended field sessions, full-day play |
| Alpha 88ci | 1.5L | 243mm | High-demand builds, milsim |
| Alpha 98ci | 1.6L | ~255mm | Maximum runtime, all-day milsim |
Specifications
| Specification | Detail |
|---|---|
| Capacity | 68ci / 1.1L |
| Fill pressure | 4500psi (maximum) |
| Construction | Carbon fibre wrapped aluminium core |
| Thread | 5/8-18 UNF (standard HPA) |
| Diameter | 112mm / 4.4" |
| Length (bottle only) | 208mm / 8.2" |
| Weight | ~0.7kg / 1lb 8.6oz |
| Regulator | Not included |
| Certification | DOT/TC-UN (ISO11119-2) |
| Hydro test interval | 5 years (check stamp on arrival) |
| Supplied | Empty (safety regulations prevent pressurised shipping) |