10 Best Paintball Tanks 2026 in the United States

The Maddog 20 oz CO2 Paintball Tanks come in a useful 5-pack with empty, refillable aluminum cylinders designed for paintball and airsoft. Their 20-ounce size is a common standard for CO2 tanks, providing enough gas for approximately 800 to 1000 shots per fill, which is great for players who want to avoid running out of air during games. Made from durable, lightweight aluminum, these tanks are built to withstand the physical demands of paintball without adding unnecessary weight to your gear.

These tanks feature an industry-standard brass pin valve and are DOT and TC certified, meeting safety standards with a 5-year hydro testing cycle. This means they must be re-tested every five years to ensure safe use, which is typical and important for CO2 tanks. The tanks ship empty for safe transport and must be filled at a proper refill station, like a paintball field or sporting goods store. Since they use CO2, pressure can fluctuate with temperature changes, which is common for this type of tank but may affect consistent shot performance compared to compressed air tanks.

These Maddog tanks are a solid choice if you need multiple reliable, lightweight CO2 tanks for frequent play or team use. They fit all standard CO2-powered paintball markers and offer good value in a multi-pack. However, if you are looking for tanks with built-in regulators or prefer compressed air systems, you might want to consider other options.

The HK Army HPA Paintball Tank is a lightweight compressed air tank designed for paintball and airsoft players who want to move quickly without carrying heavy gear. With a 68 cubic inch size and a pressure rating of 4500 psi, it offers a good balance of air capacity and portability. Its carbon fiber wrap material keeps the tank durable yet light, trimming down weight by several ounces compared to other tanks of similar size.

The included HP8 regulator outputs at 800 psi, which is standard and reliable for most paintball markers. Additionally, the tank meets strict safety standards and comes with a 5-year hydro test certification, ensuring it’s safe to use. The tank arrives empty, so you’ll need to find a place to fill it before use.

Though it is not the cheapest option on the market, its combination of lightness, build quality, and safety certifications makes it a solid choice for intermediate to advanced players who want dependable performance without extra bulk. Beginners or casual players looking for a more budget-friendly or larger capacity tank might want to explore other options.

The HK Army HPA Paintball Tank is a solid option for paintball players looking for a lightweight and durable compressed air tank. It comes in a 68 cubic inch size and holds air at a high pressure of 4500 psi, which means you can play longer without refilling. The tank is wrapped in carbon fiber, making it strong yet lighter than many other tanks, helping you move faster on the field.

It includes a PRO regulator that lets you adjust the air output comfortably from different angles, offering better control during play. Safety is clearly a priority here, as the tank meets strict DOT and ISO standards and comes with a 5-year hydro testing warranty, so you can trust it’s reliable and safe to use. One thing to keep in mind is that it ships empty, so you'll need to fill it before you can use it.

This tank is great for players who want a balance of portability, performance, and safety, especially those who already use or plan to use HK Army gear for a coordinated setup. If you want a sturdy, well-designed tank that won’t slow you down, this is worth considering.