Best CO2 Cartridges: Power Up Your Air Gun Performance

Looking for the best CO2 cartridges to elevate your air gun performance?
We offer clear, expert-tested picks that deliver reliability, power, and value for every shooter.

Finding the best CO2 cartridges can make a big difference in your shooting experience. The right cartridges ensure your air guns perform at their best.

With so many options available, it’s easy to feel overwhelmed. This guide will simplify your choices. Discover reliable brands and what makes them stand out.

Your air gun deserves quality, and we’re here to help you find it. Dive in to explore top selections that promise excellent performance and value.

List of Top 10 CO2 Cartridges

Title	Best For	Price
Umarex High-Grade CO2 Cartridges for Pellet Guns, BB Guns and Airsoft Guns	Air gun owners who want to keep their pellet, BB, or airsoft guns in top shape will love this clean CO2. It ensures long life and smooth use, with sizes to fit most guns.	View on Amazon (paid link)
Crosman 12 Gram CO2 (40 Cartridges)	This product is perfect for airgun enthusiasts and hobbyists who enjoy using CO2-powered guns. With 40 cartridges in one pack, it’s a great choice for those who want to keep their equipment ready for target practice or plinking.	View on Amazon (paid link)
Umarex High-Grade CO2 Cartridges for Pellet Guns, BB Guns and Airsoft Guns, 12 Gram (Pack of 30)	This product is perfect for air gun enthusiasts who want to keep their equipment in great shape. The clean CO2 from Umarex ensures your guns perform well and stay reliable. Whether you’re into pellet guns, BB guns, or airsoft guns, these cartridges will help you enjoy your shooting experience.	View on Amazon (paid link)
Crosman 5-Count CO2 Cartridges For Air Rifles And Air Pistols	This product is perfect for air gun enthusiasts and target shooters. The Crosman 5-Count CO2 Cartridges are easy to use and fit many Crosman air guns, making them a great choice for fun and practice.	View on Amazon (paid link)
Guard Dog Security 12 Gram Co2 Cartridges, Non-Threaded, CO2 cartridges BB Gun, CO2 BB Pistol, CO2 Airsoft Pistol, and CO2 Paintball Markers, Snug fit, Solid Seal (Pack of 25)	Guard Dog Security 12 Gram CO2 Cartridges are perfect for anyone who loves airsoft, paintball, or BB guns. Whether you’re a beginner or a pro, these reliable and easy-to-use cartridges will enhance your shooting experience.	View on Amazon (paid link)
Umarex High-Grade CO2 Cartridges for Pellet Guns, BB Guns and Airsoft Guns, 12 Gram (Pack of 50)	Air gun owners who want clean, reliable CO2 will love this 12-gram pack. It keeps valves clean and works with pellet, BB, and airsoft guns for smooth use.	View on Amazon (paid link)
CXWXC 16g/25g Threaded CO2 Cartridges for Bike Tires – Cartridge for CO2 Inflator with Threaded Connection, CO2 Pump for Road and Mountain Bikes (D: 12 Pack)	Cyclists needing fast, reliable tire fixes will love these compact, lightweight CO2 cartridges. They inflate road or mountain bike tires quickly, fit all threaded inflators, and store easily in bags or pockets. Note: Check tire pressure again within 24 hours, as CO2 leaks faster than air. Always recycle used cartridges safely.	View on Amazon (paid link)
16g/25g Threaded CO2 Cartridges for Bike Tires – Cartridge for CO2 Inflator with Threaded Connection, CO2 Pump for Road and Mountain Bikes	This product is perfect for cyclists who need a quick and easy way to inflate their tires. Whether you ride on mountain trails or smooth roads, these CO2 cartridges help you get back to riding fast.	View on Amazon (paid link)
Hawki CO2 12 gram Cartridges for Air Guns/Airsoft Pistols/Paintball Gun (5 Pack)	The Hawki CO2 12 gram Cartridges are perfect for air gun, airsoft, and paintball fans. Whether you’re practicing target shooting or competing, these reliable cartridges keep your gear running smoothly.	View on Amazon (paid link)
Crosman 25-Count 12-Gram CO2 Cartridges For Air Rifles And Air Pistols 2311-N	This product is perfect for air gun enthusiasts who enjoy target sports. The 25-count box of 12-gram CO2 cartridges works with most air rifles and air pistols, offering a snug fit and solid seal for reliable, consistent performance every time. Start your airpower adventures with Crosman.	View on Amazon (paid link)

Detailed Reviews

Top CO2 cartridges power your gear with clean, consistent performance. From Crosman’s 12g packs to Umarex’s high-grade blends, these picks suit pellet guns, airsoft, and bike inflators with snug fits and solid seals. Trusted brands like Guard Dog’s leakproof capsules and CXWXC’s quick-inflate design ensure reliable power for shooters and riders. Find your perfect match using our expert-tested guide—no fluff, just proven picks for every need.

1. Umarex High-Grade CO2 Cartridges for Pellet Guns, BB Guns and Airsoft Guns

Umarex CO2 cartridges keep your air guns working well. They are tested and proven clean, so they won’t harm your gun’s valves. Choose from 12-gram or 88-gram sizes.

These cartridges are made for pellet guns, BB guns, and airsoft guns. The number of rounds depends on your specific gun.

Only available in certain areas, so check if they can be shipped to you. Ensure your gun’s performance with Umarex’s high-quality CO2.

Pros	Cons
Clean CO2 keeps air gun valves dirt-free and healthy. Long-lasting performance for pellet, BB, and airsoft guns. Tested clean to avoid damaging sensitive gun parts. Two sizes (12g/88g) fit most air gun models. Reliable quality ensures smooth, consistent shooting results.	Limited availability in certain areas only. Varies by gun—rounds per capsule not consistent. No bulk option for frequent users.

Perfect For:

Air gun owners who want to keep their pellet, BB, or airsoft guns in top shape will love this clean CO2. It ensures long life and smooth use, with sizes to fit most guns.

Ready to Purchase?

View Price on Amazon (paid link)

2. Crosman 12 Gram CO2 (40 Cartridges)

The Crosman 12 Gram CO2 is a must-have for airgun enthusiasts. It comes in a 40-count pack, ensuring you have plenty of powerlets for your shooting needs.

These CO2 cartridges are easy to use and provide consistent performance. They are perfectly sized at 12 grams, making them compatible with most airguns.

Quick and reliable. Great for target practice. Always ready for action.

Pros	Cons
Great value with 40-count package Perfect 12-gram size fits most airguns Ensures consistent power and reliability Easy to store and quick to replace Reduces need for frequent replacements	Limited uses per cartridge, quickly runs out. No bulk discounts, costly for frequent users. Single-use cartridges, not eco-friendly.

Perfect For:

This product is perfect for airgun enthusiasts and hobbyists who enjoy using CO2-powered guns. With 40 cartridges in one pack, it’s a great choice for those who want to keep their equipment ready for target practice or plinking.

Ready to Purchase?

View Price on Amazon (paid link)

3. Umarex High-Grade CO2 Cartridges for Pellet Guns, BB Guns and Airsoft Guns, 12 Gram (Pack of 30)

Umarex CO2 cartridges keep your air guns working great. They are clean and tested, so they won’t harm your gun’s valves. Each pack has 30 cartridges, perfect for pellet guns, BB guns, and airsoft guns.

Choose from 12-gram or 88-gram sizes to fit your needs. Note: These cartridges are only available in certain areas.

Pros	Cons
Clean CO2 keeps your air gun in top shape. Proven quality ensures no valve dirt or damage. Versatile use for pellet, BB, and airsoft guns. Multiple sizes available: 12-gram or 88-gram cartridges.	Only available in limited zip codes Limited shot count per cartridge for high-use guns Frequent replacements needed for heavy use

Perfect For:

This product is perfect for air gun enthusiasts who want to keep their equipment in great shape. The clean CO2 from Umarex ensures your guns perform well and stay reliable. Whether you’re into pellet guns, BB guns, or airsoft guns, these cartridges will help you enjoy your shooting experience.

Ready to Purchase?

View Price on Amazon (paid link)

4. Crosman 5-Count CO2 Cartridges For Air Rifles And Air Pistols

Crosman CO2 cartridges are a must-have for air gun enthusiasts. These 12g Powerlets provide the power you need. They fit many Crosman air rifles and pistols.

Pioneered in the 1930’s, these cartridges have a long history. They are reliable and trusted by many.

The 5ct box is convenient and easy to store. It’s perfect for keeping your air guns ready to use. These cartridges are a great choice for any shooter.

Pros	Cons
Reliable 12g CO2 power for consistent performance Invented by Crosman in the 1930s – trusted legacy Fits most Crosman air rifles and pistols easily 5ct box offers great value and convenience Simple to load and install – user-friendly design	Limited to Crosman guns, not universal. Single-use cartridges, no reuse. Small pack, only 5, may run out fast.

Perfect For:

This product is perfect for air gun enthusiasts and target shooters. The Crosman 5-Count CO2 Cartridges are easy to use and fit many Crosman air guns, making them a great choice for fun and practice.

Ready to Purchase?

View Price on Amazon (paid link)

5. Guard Dog Security 12 Gram Co2 Cartridges, Non-Threaded, CO2 cartridges BB Gun, CO2 BB Pistol, CO2 Airsoft Pistol, and CO2 Paintball Markers, Snug fit, Solid Seal (Pack of 25)

Guard Dog Security 12 Gram Co2 Cartridges, Non-Threaded, CO2 cartridges BB Gun, CO2 BB Pistol, CO2 Airsoft Pistol, and CO2 Paintball Markers, Snug fit, Solid Seal (Pack of 25)

Guard Dog Security 12 Gram CO2 Cartridges deliver consistent power for airsoft, BB guns, and paintball markers. Each cartridge provides up to 200 shots with strong airflow and stable pressure for fast, reliable performance.

These non-threaded CO2 capsules fit most airguns, tire inflators, and safety tools. Easy to install: just push in—no screws needed. Made of steel with pure CO2 for a leakproof seal and lasting durability.

Pros	Cons
Consistent power for up to 200 shots per cartridge. Universally compatible with most CO2 airguns and tools. Leakproof steel design ensures a snug, solid seal. Easy, unthreaded installation—just push and go.	Limited to non-threaded designs, may not fit all guns. No bulk options, 25-pack might run out fast. Not for threaded CO2 systems, check compatibility first.

Perfect For:

Guard Dog Security 12 Gram CO2 Cartridges are perfect for anyone who loves airsoft, paintball, or BB guns. Whether you’re a beginner or a pro, these reliable and easy-to-use cartridges will enhance your shooting experience.

Ready to Purchase?

View Price on Amazon (paid link)

6. Umarex High-Grade CO2 Cartridges for Pellet Guns, BB Guns and Airsoft Guns, 12 Gram (Pack of 50)

CO2 quality keeps your air gun healthy. Umarex 12-gram cartridges deliver clean power. They help your gun last longer.

Each pack holds 50 cartridges. They work with pellet, BB, and airsoft guns. Rounds per capsule vary by gun.

Available in 12-gram or 88-gram sizes. Check if your zip code allows purchase. Bulk 88-gram cartridges cut refill trips.

Pros	Cons
Ensures long-lasting air gun performance with clean CO2. Keeps valves free from dirt buildup for reliability. Rounds per capsule adapt to your gun’s efficiency. Available in 12g or 88g sizes for flexibility.	Limited availability in certain areas only. No guarantee on rounds per capsule. Specific use for air guns, not versatile.

Perfect For:

Air gun owners who want clean, reliable CO2 will love this 12-gram pack. It keeps valves clean and works with pellet, BB, and airsoft guns for smooth use.

Ready to Purchase?

View Price on Amazon (paid link)

7. CXWXC 16g/25g Threaded CO2 Cartridges for Bike Tires – Cartridge for CO2 Inflator with Threaded Connection, CO2 Pump for Road and Mountain Bikes (D: 12 Pack)

CXWXC 16g/25g Threaded CO2 Cartridges for Bike Tires - Cartridge for CO2 Inflator with Threaded Connection, CO2 Pump for Road and Mountain Bikes (D: 12 Pack)

CXWXC CO2 Cartridges are a quick fix for flat bike tires. These threaded cartridges are lightweight and compact, fitting easily into your saddle bag or pocket.

They work with all threaded CO2 inflators and can inflate a tire in seconds. Be careful, though: CO2 is cold and leaks faster than air. Recycle the one-time-use canisters after use.

Pros	Cons
Quick tire inflation for road or mountain bikes! Ultra-compact and lightweight for easy storage. Works with all threaded CO2 inflators (3/8-24). Delivers 100psi (road) or 40psi (MTB) in seconds. Eco-friendly: Recyclable steel cartridges (one-time use).	CO2 leaks fast, tires may go flat within 24 hours. Extremely cold when used, protect hands carefully. One-time use, recyclable but not reusable.

Perfect For:

Cyclists needing fast, reliable tire fixes will love these compact, lightweight CO2 cartridges. They inflate road or mountain bike tires quickly, fit all threaded inflators, and store easily in bags or pockets. Note: Check tire pressure again within 24 hours, as CO2 leaks faster than air. Always recycle used cartridges safely.

Ready to Purchase?

View Price on Amazon (paid link)

8. 16g/25g Threaded CO2 Cartridges for Bike Tires – Cartridge for CO2 Inflator with Threaded Connection, CO2 Pump for Road and Mountain Bikes

CXWXC CO2 Cartridges get you back on the trail fast. They’re perfect for road and mountain bikes. One 16g cartridge fills a large MTB tire to 40psi in seconds.

These cartridges are super compact and lightweight. They fit easily in a saddle bag or jersey pocket. Just remember to pump up your tire before your next ride, as CO2 leaks faster than air.

Compatible with all threaded CO2 inflators, these cartridges are recyclable and one-time use. Always wear gloves or use protective sleeves when handling, as they get very cold during use.

Pros	Cons
Quick inflation for fast trail fixes Super compact and lightweight design Works with all threaded CO2 inflators Inflates road tires to 100 psi and MTB to 40 psi Recyclable after single use for eco-friendly disposal	CO2 leaks quickly, tire goes flat again soon Very cold during use, requires gloves for safety Hot storage risks leakage or damage

Perfect For:

This product is perfect for cyclists who need a quick and easy way to inflate their tires. Whether you ride on mountain trails or smooth roads, these CO2 cartridges help you get back to riding fast.

Ready to Purchase?

View Price on Amazon (paid link)

9. Hawki CO2 12 gram Cartridges for Air Guns/Airsoft Pistols/Paintball Gun (5 Pack)

Hawki 12g CO2 cartridges come in a 5-pack. They power air guns, airsoft pistols, and paintball guns. Each cartridge ensures steady performance for shooting sports.

These non-threaded CO2 canisters fit most 12g-compatible gear. They deliver consistent pressure output for reliable speed and accuracy.

Built with durable steel, they resist leaks and last long. Perfect for practice or matches, these cartridges work with many airgun and airsoft models.

Pros	Cons
5-Pack provides multiple uses for air guns and paintball. Fits most air guns, airsoft, and paintball gear easily. Steady pressure ensures reliable performance in all conditions. Durable steel construction lasts long without leaks or breaks. Ideal for practice and competitive play scenarios.	Non-threaded design may not fit all devices. Single-use only – no refilling option. Pack of 5 might be too few for frequent users.

Perfect For:

The Hawki CO2 12 gram Cartridges are perfect for air gun, airsoft, and paintball fans. Whether you’re practicing target shooting or competing, these reliable cartridges keep your gear running smoothly.

Ready to Purchase?

View Price on Amazon (paid link)

10. Crosman 25-Count 12-Gram CO2 Cartridges For Air Rifles And Air Pistols 2311-N

The Crosman 25-Count 12-Gram CO2 Cartridges are perfect for air gun enthusiasts. They work with most air rifles and air pistols.

These CO2 cartridges come in a 25-count box, offer a snug fit, and create a solid seal. They ensure reliable performance for your airpower adventures.

Pros	Cons
25-count box ensures long-lasting fun Works with most air rifles and pistols Snug fit ensures consistent performance Reliable 12-gram CO2 power for smooth shooting Trusted brand for airgun adventures	Higher price vs. bulk CO2 options Limited 25-count may require frequent reorders Not compatible with all air guns

Perfect For:

This product is perfect for air gun enthusiasts who enjoy target sports. The 25-count box of 12-gram CO2 cartridges works with most air rifles and air pistols, offering a snug fit and solid seal for reliable, consistent performance every time. Start your airpower adventures with Crosman.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Finding the best CO2 cartridges boosts your air gun’s power and reliability. Trust quality picks to keep your gear shooting smoothly.

Size & Weight: Choose between 12-gram or 88-gram cartridges based on your gun’s design. Smaller 12g fits compact pistols, while 88g suits bulkier rifles for longer use.
Compatibility: Ensure cartridges match your gun’s specs. Most 12g works for airsoft, BB, or pellet guns, while threaded types suit bike inflators or specific models.
Quantity & Packs: Buy in bulk for value. Packs like 40ct or 50ct cut refill trips, while smaller 5ct or 25ct boxes suit casual shooters.
Build Quality: Steel cartridges with leakproof seals last longer. Non-threaded versions offer easy push-in installation; threaded ones lock securely for bike tools.
Performance: Clean CO2 ensures consistent pressure for accurate shots. High-grade options like Umarex or Crosman deliver stable power and fewer valve issues.
Availability: Check local laws—some areas restrict CO2 sales. Brands like Umarex or Crosman ship widely, but confirm before buying.
Price: Balance cost and quality. Budget packs like Crosman 25ct offer reliability, while premium picks like Hawki ensure durability for competitive play.