CO2 Cartridges

CO2 Cartridges, constant pressure and maximum impact for airsoft use

For those seeking reliability and power in all conditions, CO2 cartridges are the ideal choice. These compact capsules deliver constant gas pressure, powerful blowback and stable FPS – even at low temperatures. Whether you play CQB or participate in outdoor milsim events, at Airsoft Legends you will find high-quality CO2 capsules from top brands such as Walther, ASG and Umarex, perfect for pistols, SMGs and rifles with CO2 propulsion.

Key features

• 12g CO2 cartridges – standard size for airsoft pistols
• High pressure and stable output – reliable performance, even in cold weather
• Leak-proof seal – prevents valve leakage and extends service life
• Compatible with CO2-ready replicas – from pistols to bolt-action rifles
• Well-known brands – Walther, ASG, Umarex and more

Why choose CO2 cartridges from Airsoft Legends

CO2 gas delivers higher pressure than standard green gas, giving your replica more power and making the blowback feel more realistic. Thanks to the constant gas pressure, your performance remains stable, even during intense gameplay or low temperatures.

The compact capsules are easy to replace, have a long shelf life and are perfect for players who demand top performance from their replica. Whether you play with a KWC revolver, Elite Force pistol or H&K SMG, our CO2 cartridges guarantee reliable output – shot after shot.

What you will find in this category

• CO2 capsules (12g) – universally applicable for pistols, rifles and SMGs
• High-pressure cartridges – designed for consistent performance
• Durable construction – reliable sealing and long shelf life
• Approved top brands – Walther, ASG, Umarex and other quality brands

Who is this suitable for

• CQB players who want immediate response and powerful blowback
• Outdoor airsofters who want to keep performing in cold temperatures
• Users of CO2 pistols or rifles who demand maximum consistency

Frequently asked questions about CO2 cartridges

Which CO2 cartridges are suitable for my airsoft replica?

Most airsoft replicas use 12g CO2 cartridges. Always check the specifications of your pistol, rifle or SMG to see if it is CO2-ready.

How long does a CO2 cartridge last during play?

On average, one cartridge delivers between 40 and 60 shots, depending on your replica and temperature. Blowback systems typically consume slightly more gas.

What is the difference between CO2 capsules and green gas?

CO2 provides more powerful blowback and more stable performance at low temperatures. Green gas is more versatile and gentler on internal parts – ideal for warm conditions.

Can I safely take CO2 capsules with me on skirmishes?

Yes, provided they are stored in a closed container or pouch. Avoid prolonged exposure to heat.

See also Green Gas & Airsoft Gases for alternative gas options, discover GBB Magazines for compatible CO2 mags, or check out Maintenance Products to extend the life of your valves.

For consistent pressure, power and precision – choose CO2 cartridges from Airsoft Legends and experience realistic performance with every shot.