HK Army Aluminum 13ci 3000psi HPA Paintball Tank - Compact Performance

Our review of the HK Army Aluminum 13ci 3000psi HPA paintball tank finds it best for players who want a lightweight, compact air source for magfed, pump, or low-impact play; the single biggest reason to buy is its size and safety certification, which make it easy to carry and legal to ship empty while still delivering the consistent regulated output needed for better shot-to-shot performance than CO2. The tank ships empty and must be filled before use, and the built-in regulator and pressure gauge give a predictable 800psi output that improves consistency across weather conditions.

Key Features

• Refillable 13ci capacity: Small footprint and flat bottom allow upright storage and easy mounting on compact markers without adding excess bulk.
• 3000psi aluminum construction: Lightweight yet tough build offers a good balance between durability and portability for field use.
• Standard regulator with 800psi output: Industry-standard pressure output helps produce consistent velocity for improved accuracy over CO2 systems.
• Ships empty for safety compliance: Meets DOT/TC transport rules so tanks arrive ready for filling at a certified fill station.
• Hydro re-test exempt by size: Date stamped manufacturing detail clarifies that the mark is not an expiration date, reducing maintenance hassle for users.

Who It's For

The tank suits magfed players, pump-gun users, and anyone playing low-impact or.50-caliber paintball who needs the smallest, lightest aluminum HPA system available. Its compact 13ci size makes it ideal for smaller players or those prioritizing a minimal setup while still moving from CO2 to compressed air for steadier shots.

Players who require long match endurance, very high shot counts, or tournament-level airtanks should look at larger capacity HPA tanks instead; likewise, buyers who need advanced regulator adjustment features or integrated filling kits should consider higher-end regulator assemblies.

Pros & Cons

Pros

• Very compact and lightweight design that reduces carry weight on small markers.
• Consistent 800psi regulator output improves shot-to-shot performance compared with CO2.
• Safety-minded shipment empty and DOT/TC certification make it practical to buy and transport.
• Flat-bottomed tank stands upright for convenient storage at the field or on a table.

Cons

• 13ci capacity means fewer shots between fills, so it is not suited for players who need long playtime without refills.
• Some buyers report mixed impressions about weight; although lightweight for aluminum, a few found it slightly heavier than expected.

Specifications

Brand	HK Army
Capacity	13ci
Working Pressure	3000psi
Output Pressure	Industry-standard 800psi
Material	Aluminum
Safety	DOT / TC certified, hydro re-test exempt by size
Shipment	Shipped empty; must be filled prior to use

Our Verdict

The HK Army 13ci 3000psi aluminum HPA tank is a practical, value-oriented choice for magfed and pump players who prioritize a compact, safety-certified air system and consistent 800psi regulator output. It is not designed for long-duration play without refills, but for its intended audience it delivers good build quality and reliable performance at an affordable size and weight.

Frequently Asked Questions

Does the tank arrive filled?
All compressed air tanks ship empty to comply with transport laws and must be filled at a certified station before use.

Is this tank compatible with standard paintball markers?
Yes, this 13ci 3000psi aluminum tank is compatible with all standard paintball gun markers and is suitable for paintball and airsoft setups that accept standard fittings.

How often does this tank need hydro testing?
Due to its size, this tank is hydro re-test exempt; the date stamped is the manufacture date, not an expiration date.