Discover reliable CO2 powered airsoft pistols popular with UK players. This guide highlights five compatible CO2 cartridge options that offer consistent performance, strong shot-to-shot consistency, and easy handling for both beginners and experienced players. Each product section below is linked to the Amazon listing for quick reference, with a brief look at what makes it a solid choice for CO2-powered airsoft setups.
| Product | Brand | Pack Size | Key Benefit |
|---|---|---|---|
| ICO 25 Pack 12g CO2 Cartridges | ICO | 25 | Consistent power and recyclable, leakproof design |
| ICO 50pcs 12g CO2 Cartridges | ICO | 50 | High-capacity pack for extended sessions |
| ARSUK 12g CO2 Cartridges – Pack of 10 | ARSUK | 10 | Universal non-threaded fit with stainless-steel capsules |
| Bisley 12g CO2 Cartridges – Pack of 25 | Bisley | 25 | High performance with broad compatibility |
| 10 x 12g Co2 Gas Powerlets | Generic | 10 | Non-threaded, lubricated capsules for ease of use |
ICO 12g CO2 Cartridges Pack

The ICO 25 pack of 12g CO2 cartridges is designed to power a range of airsoft pistols and rifles with non-threaded fittings. Each cartridge is crafted from premium steel and filled with pure carbon dioxide, ensuring reliable, consistent shots across sessions. The leakproof design helps maintain pressure and accuracy in varying weather conditions, making it suitable for outdoor practice and competitive play. Pack size supports extended sessions without frequent replacements, and the cartridges are non-refillable and recyclable, aligning with environmentally conscious disposal practices. The product emphasizes compatibility with virtually airsoft guns, offering predictable performance and ease of use for UK players who value steady power delivery.
Key features include robust build quality, consistent performance, and a clear value proposition for shooters who log long practice hours. All cartridges are sold as single-use items, so users should factor in disposal and replacement planning as part of their loadout strategy.
ICO 50pcs 12g CO2 Cartridges Pack

The ICO 50-piece set of non-threaded 12g CO2 cartridges is tailored for shooters who require more capacity between replacements. The capsules deliver strong, steady pressure for airsoft pistols and rifles, with consistent FPS and reliable shot count across sessions. Each cartridge is produced from high-grade steel, filled with pure CO2, and designed to minimize leaks through an efficient seal. The pack is suitable for both casual skirmishes and more formal competitions, offering a practical balance between price per shot and ease of use. As with other non-threaded designs, compatibility should be verified against the user’s specific model, especially for non-standard devices.
Considerations include packaging variety and the environmental aspect of single-use canisters. The pack aims to support longer-game play with fewer interruptions related to reloading gas.
ARSUK 12g CO2 Cartridges – Pack of 10

The ARSUK 12g CO2 cartridges are built for power and reliability in non-threaded airsoft devices. These stainless-steel capsules help minimise leakage, delivering gas only when needed and supporting extended use in both casual target practice and competitive play. The universal non-threaded fit makes them compatible with a wide range of CO2-powered airsoft guns and paintball markers, though users should confirm model compatibility prior to purchase. The pack offers ten cartridges, providing a practical balance for players who value dependable performance with predictable shot counts.
Bisley 12g CO2 Cartridges Pack

The Bisley 12g CO2 cartridges come in a box of 25, designed to provide consistent pressure for airsoft guns, BB guns, and other CO2-powered devices. The high-performance design aims at smooth, even pressure to support accurate shooting and dependable results across sessions. The standard 12g non-threaded design supports broad compatibility with many non-threaded gas-powered systems. This pack is aimed at players who prioritise steady energy delivery and long practice periods without frequent replacements. Users should verify device compatibility given the non-threaded format, and consider storage conditions to prevent gas loss.
10 x 12g Co2 Gas Powerlets

These 10 unthreaded cartridges contain 12g CO2, with silicone lubricant included. They are non-threaded, designed for straightforward installation in compatible airsoft pistols and rifles. The presence of lubricant is intended to enhance ease of use and reduce wear on O-rings and seals. As with other non-threaded formats, compatibility should be checked against the model in use. This pack targets players who want a simple, ready-to-use option for quick gas replacements during games or practice sessions.
Buying Guide
- Compatibility: Confirm whether your airsoft gun uses threaded or non-threaded CO2 cartridges and whether the device accepts 12g capsules. Most non-threaded designs fit a broad range, but always verify against your model.
- Capacity vs. cost: Larger packs reduce the need for frequent purchases, but consider how many shots you typically need per session and the price per shot.
- Seal integrity: Look for leakproof designs and stainless-steel capsules to minimise gas loss during storage and use.
- Environmental considerations: Many CO2 cartridges are single-use and recyclable; plan for responsible disposal and recycling where available.
- Lubrication: Some generic options include silicone lubricant; ensure your device is compatible with lubricants and follow manufacturer guidelines.
- Weather resilience: Gas performance can vary with temperature; higher-pressure cartridges can help maintain FPS in cooler conditions.
- Storage and handling: Store in a cool, dry place away from direct sunlight and avoid physical damage to capsules that could compromise seals.
- Environmental and safety standards: Use products from reputable brands and source from sellers with clear packaging and expiry information.