HK Army Alpha Air Tank – 48ci / 0.8L (4500psi) – Shadow

The HK Army Alpha 48ci (0.8L) air tank combines lightweight carbon-fibre construction with professional-grade safety and reliability. Designed for players who want a compact, low-profile tank that still delivers ample air for HPA use, the Alpha 48ci is ideal for CQB rigs, lightweight speedsoft setups and users who prefer a shorter profile on the stock or harness.

Key Features

• Carbon-Fibre Wrapped Body: Lightweight and strong carbon-fibre wrap over an aluminium core reduces weight while retaining rigidity.
• Compact 48ci Capacity: 0.8 litre volume at 4,500 psi for a great balance of air supply and manoeuvrability.
• High Fill Pressure: Rated to 4,500 psi for modern HPA systems and long run-times relative to size.
• Professional Safety Standards: Manufactured and inspected to recognised high-pressure standards with recommended hydro test intervals.
• Shadow Finish: Subtle painted/carbon finish that blends with tactical colourways while resisting wear.
• Compact Dimensions: Short length and reduced diameter make this tank excellent for rear-stock or side-mounted installations.

Specifications

• Capacity: 48 ci / 0.8 L
• Maximum Fill Pressure: 4,500 psi (approx. 310 bar)
• Material: Carbon-fibre wrap over aluminium core
• Approx. Diameter: 70–80 mm (model dependent)
• Approx. Length: ~180–200 mm (model dependent)
• Approx. Weight: ~0.5–0.7 kg
• Finish: Shadow (painted/carbon style)
• Safety: Hydro test recommended at manufacturer intervals; inspect O-rings and fittings regularly

Why Choose the Alpha 48ci?

• Perfect for compact and speedsoft builds where a smaller tank improves balance and handling.
• Offers high-pressure capacity comparable to larger tanks but with a much smaller footprint.
• Durable carbon-fibre construction minimises carry weight for extended play.
• Professional finish and safety-conscious manufacturing make it suitable for frequent field use.

Fitment & Use

The Alpha 48ci is suited to rear-stock, side-mounted or harness-carried configurations where a compact tank is preferred. Confirm regulator and fitting compatibility with your airline and regulator before installation, and always follow safe fill and bleed procedures when connecting or disconnecting high-pressure equipment.

Bundle & Save

If you’d like to bundle this tank with a regulator or other HPA accessories at a discounted price, click the link below:

Click here to build your HPA Tank Bundle and save

Important Safety Notice

• Always use certified fill stations and compatible fill adapters.
• Do not exceed the tank’s rated fill pressure of 4,500 psi.
• Hydro test and inspect as per manufacturer guidance; damaged or swollen tanks must not be used.

Order your HK Army Alpha 48ci (Shadow) today for a compact, high-performance HPA solution.