Paint & Wall Treatments

The Best Paintball CO2 Systems

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Our picks are based on Amazon bestseller rankings, Amazon customer ratings, and product availability. We update our recommendations regularly to ensure accuracy.

Selecting the right CO2 system is crucial for a consistent and enjoyable paintball experience. A reliable CO2 setup ensures you won't run out of air mid-game and provides the necessary power for your marker. Investing in a quality system can significantly improve your performance and overall enjoyment on the field.

No. 1
Umarex High-Grade CO2 Cartridges for Airguns, 12 Gram (Pack of 30)
  • CO2 quality is critically important to the health of your air gun - Ensure a lifetime of performance with this clean CO2 from Umarex
  • Tested and proven clean: Doesn't dirty your air gun valves
  • Number of rounds per capsule depends on the specific air gun
  • Available in 12-gram cartridges or 88-gram cartridges
  • Only available for purchase in certain zip codes
No. 2
Umarex High-Grade CO2 Cartridges for Airguns, 12 Gram (Pack of 50)
  • CO2 quality is critically important to the health of your air gun - Ensure a lifetime of performance with this clean CO2 from Umarex
  • Tested and proven clean: Doesn't dirty your air gun valves
  • Number of rounds per capsule depends on the specific air gun
  • Available in 12-gram cartridges or 88-gram cartridges
  • Only available for purchase in certain zip codes
No. 3
Guard Dog Security 8 Gram / 12 Gram Co2 Cartridges, Non-Threaded for BB Gun, BB Pistol, Airsoft Pistol, and...
  • CONSISTENT POWER DELIVERY: When it comes to powering your Airsoft BBs or playing in a paintball tournament, you need stable and reliable power output. Each cartridge can deliver up to 30 shots. With enough CO2, pressure, and strong airflow, you can shoot...
  • UNIVERSALLY COMPATIBLE: Guard Dog CO2 capsules are compatible with most airguns that require C02, like a C02 pistol, CO2 gun, CO2 bb pistol, a CO2 bb gun, a CO2 pellet gun, an airsoft gun CO2 , airsof rifle CO2 , paintball markers, or paintbal guns. Can...
  • LEAKPROOF & SAFE: Our 12g co2 cartridges are made from steel and filled with high-grade, pure carbon dioxide gas without any oils or lubricant for a snug fit and a solid seal for a reliable and consistent pistols and rifles accessories
  • EASY TO INSTALL: The unthreaded design makes it effortless to use, Simply push the cartridges in instead of having to screw them in. Our capsules are widely used in guns that have a piercing mechanism built into the gun's CO2 inlet valve. When inserted...
  • ENHANCE YOUR EXPERIENCE: Elevate your airsoft adventure with Guard Dog Security 12g CO2 cartridges, combining power, reliability, and performance for an immersive shooting experience
No. 4
Crosman Powerlet CO2 Cartridges for Air Rifles, Air Pistols & Paintball - Snug Fit, Leak-Free Seal, Durable...
  • GENUINE CROSMAN POWERLET CO2: Built to Crosman's own specs for CO2-powered airguns. Consistent pressure with each trigger pull. No drop-off or surprises.
  • SOLID SEAL ON EVERY INSTALL: The snug fit locks in a tight seal so you are not losing CO2 before you even get started, and with a full 12-gram capacity, your tool gets everything it needs to cycle right.
  • WORKS WITH MOST CO2 PLATFORMS: Compatible with the majority of CO2 air rifles and pistols that take a standard 12-gram cartridge. Optimized for Crosman CO2 airguns but reliable across most brands.
  • 40-COUNT PACK: More rounds in the bag means more time running your airgun and less time digging for cartridges. 40-count pack.
  • INNOVATION STARTS HERE: In 1924, Crosman introduced the first pneumatic pump airgun, delivering power without powder. Nearly a century later, Crosman remains a worldwide leader in airguns, ammunition, and shooting optics.
No. 5
JT Paintball JT 88/90gram CO2 Tank - Prefilled - 3 Count
  • Great for paintball, airsoft, or airgun use
  • Can be used as a threaded 88g cartridge.
  • Prefilled 88gram air
No. 6
KONG MING CAR 8 Gram / 12 Gram CO2 Cartridges, Non-Threaded,High-Grade CO2 Cylinder CO2 Cartridges for...
  • 【CONSISTENT PERFORMANCE】- Specially made and tested with close attention to tight tolerances and with clean C02, the 8-gram CO2 cartridges have uniform neck dimensions. That makes it more likely that every cartridge will pierce properly and gas will...
  • 【VERSATILE COMPATIBILITY】- the CO2 cartridges is compatible with various pellet guns, BB guns, airsoft guns, paintball guns, and other devices that require 8g CO2 cartridges. It is an ideal choice for beginners in air gun clubs or enthusiasts in...
  • 【STABLE POWER OUTPUT】 - Whether you're an experience competitor or an enthusiast, the CO2 capsules is a vital accessory, Each CO2 cartridge weighs 8g,produces sufficient pressure and strong airflow when used, and the sturdy housing ensures that no CO...
  • 【RELIABLY POWERFUL AND SAFE】- These high-quality 8g CO2 cartridges are designed with a higher-quality, pure carbon dioxide gas without oils or lubricants in a superior-engineered steel cylinder,They are leakproof, have snug fit and a solid seal for...
  • 【EASY TOINSTALL & CARRY】- Our Paintball, Airsoft, and BB CO2 cartridges with Non-Threaded design allows you to push the cartridges in rather than screwing for super easy use, Measuring 0.27 x 0.06inches, easy to carry around at the range and can be...
No. 7
HK Army 48ci/3000psi Aluminum Compressed Air HPA Tank - Refillable High Pressure System for Paintball...
  • Versatile & Compatible: The HK Army 48ci/3000psi Aluminum Tank is a perfect refillable alternative to CO2 systems, compatible with all standard paintball markers and HPA equpped airsoft guns for enhanced gameplay. ALL COMPRESSED AIR HPA PAINTBALL TANKS...
  • Reliable Performance: Experience improved accuracy and more consistent velocity in all weather conditions, resulting in higher performance compared to traditional CO2 systems.
  • Industry-Standard Safety: Features an output pressure of 850psi with a high pressure regulator, ensuring safe and efficient operation while providing a pressure level gauge to monitor air pressure levels. The regulator is also equipped with two safety...
  • Durable & Convenient Design: Made from high-quality aluminum with a flat bottom base which makes the tank comforatble to press against your shoulder while firing the paintball marker or airsoft gun during gameplay. The tank can also be stored upright.
  • Long-lasting Quality Assurance: With a 5-year hydro re-test cycle, you can depend on this tank's safety and performance; remember, all HPA tanks are shipped empty and must be filled before use. DATE STAMPED ON THE TANK IS MANUFACTURER DATE, NOT AN...
No. 8
8 Gram/ 12 Gram CO2 Cartridges for Paintball
  • 【CO2 Cartridges for BB Gun Pistol】: The 12 Gram CO2 Cartridges is an essential when maintaining airguns for practice. They provide the driving force necessary to launch pellets or BBs and are easy to reload. Whether you're a novice or a skilled target...
  • 【Reliably Powerful and Safe】: These 12 gram CO2 cartridges is made from steel and are filled with high-grade, pure carbon dioxide gas without oils or lubricants. They are leakproof, have snug fit and a solid seal for reliable and consistent...
  • 【Consistent Power Delivery】: Keep your CO2-powered air rifles and pistols operating at top performance with our airguns CO2 Cartridges. Designed to fit standard CO2 pistols and rifles, these convenient replacement CO2 cartridges fit and seal snugly...
  • 【Easy To Use】: The unthreaded design makes it effortless to use - simply push the cartridges in instead of having to screw them in. Our capsules are widely used in guns that have a piercing mechanism built into the gun's CO2 inlet valve. Each...
  • 【Universally Compatible】: Our CO2 capsules are compatible to airsoft pistols, airsoft rifles, airsoft sniper, bb gun pistols, bb gun, paintball gun, air rifles, air guns, air pistols, and airsoft CO2 gym. Can also be use for Tire or Ball inflator and...
No. 9
JT Paintball 90G Prefilled CO2 Cylinders - 6 Pack - Easy-to-Use, Long-Lasting Power for Paintball Markers...
  • Convenient Pack of 6: Receive a set of six 90G prefilled CO2 cylinders, ideal for ensuring you have a steady supply for your paintball adventures. (PLEASE NOTE: The JT pre-filled CO2 air cylinder requires the use of an adapter for paintball markers...
  • Ready to Use: These CO2 cylinders come prefilled, making them ready to use right out of the box for immediate enjoyment and less downtime.
  • Universal Compatibility: Designed to fit a wide range of paintball markers, these cylinders offer versatile use for various paintball activities.
  • Long-Lasting Performance: Each cylinder provides a consistent and reliable power source, ensuring your paintball marker performs optimally during extended play.
  • Easy Installation: The user-friendly design allows for quick and effortless installation, so you can spend more time playing and less time setting up
No. 10
Hawki CO2 12 gram Cartridges for Air Guns/Airsoft Pistols/Paintball Gun (5 Pack)
  • MULTI-PACK QUANTITY: Includes a 5-pack of Hawki 12 gram CO2 cartridges, the essential power source for air guns, airsoft pistols, and paintball markers.
  • UNIVERSAL 12G COMPATIBILITY: Standard non-threaded design is compatible with most airguns, airsoft equipment, and paintball platforms designed for 12g CO2 cylinders.
  • CONSISTENT PRESSURE OUTPUT: These CO2 cylinders are designed to deliver steady pressure for optimal velocity and performance in air-powered sporting devices.
  • DURABLE STEEL CONSTRUCTION: High-quality steel 12g CO2 canisters provide a reliable seal and long-lasting durability for airsoft and paintball enthusiasts.
  • SPORTING & RECREATIONAL USE: Ideal for target practice and competitive play, these 12 gram CO2 units are a versatile choice for various airgun and airsoft models.

Last update on 2026-09-22 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Paintball CO2 Systems

Understanding CO2 Tank Sizes

CO2 tanks come in various sizes, typically measured in ounces. The most common sizes range from 12-ounce to 20-ounce. A 12-ounce tank is suitable for casual play and offers a good balance of capacity and weight. Larger tanks, like 20-ounce, provide more shots per fill, making them ideal for extended games or players who shoot frequently. Consider how long you typically play and how many shots you expect to take when choosing a size.

Key Features to Consider

Look for tanks made from durable aluminum, which is standard for most CO2 cylinders. Ensure the tank has a consistent flow rate to prevent "freezing" or "liquid lockout," which can disrupt your marker's operation. A built-in pressure relief valve is a safety feature worth noting. Some tanks may also have a "quick disconnect" feature for easier removal and reattachment, though this is less common for standard CO2 systems compared to HPA (High-Pressure Air).

Maintenance and Safety

CO2 tanks require periodic retesting to ensure their structural integrity. Check the expiration date stamped on the tank; if it has expired, it will need to be retested or replaced. Always handle CO2 tanks with care, avoiding extreme temperatures. When refilling, ensure you use a reputable air fill station that specializes in CO2. Proper handling and maintenance are essential for safe operation and longevity of the tank.

Frequently Asked Questions

How many shots can I expect from a CO2 tank?
The number of shots varies greatly depending on the tank size and your marker's efficiency. A 12-ounce tank can typically yield between 700 to 1500 shots, while a 20-ounce tank could provide 1200 to 2500 shots. Factors like temperature and how rapidly you fire also influence shot count.
What is the difference between CO2 and HPA tanks?
CO2 is a liquid gas that expands when released, providing consistent pressure until it's nearly empty. HPA (High-Pressure Air) is a compressed gas that provides a more consistent pressure output throughout its entire capacity. HPA systems are generally more expensive but offer better performance in varying temperatures and more consistent shot velocity.
How often do CO2 tanks need to be refilled?
CO2 tanks need to be refilled when they are empty or nearly empty. The frequency of refills depends on how often you play and how many shots you take. It's important to find a local paintball shop or sporting goods store that offers CO2 refills.
Can I use any CO2 tank with my paintball marker?
Most standard paintball markers are designed to work with common CO2 tank sizes. However, it's always best to check your marker's manual or manufacturer specifications to ensure compatibility. Using an incompatible tank could potentially damage your marker.
What are the safety precautions for using CO2 tanks?
Always ensure your tank has a current hydro-test date and a functioning burst disc. Avoid overfilling the tank, and never expose it to extreme heat. When connecting or disconnecting, do so in a well-ventilated area. Treat the tank with respect to avoid potential hazards.

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