The UK market offers a wide range of CO2 cartridges for air rifles and pistols. This guide highlights five reliable options to power your CO2-powered airgun, focusing on consistency, safety, and value for money. Each product section outlines key features to help you compare performance for target practice, plinking, or competition prep.
| Product | CO2 Capacity | Key Benefit |
|---|---|---|
| Umarex 88g 4 Pack | 88 g total (4 x 22 g? or 4 x 88 g depending on packaging) | High-volume power for extended sessions |
| Umarex 88g 10 Pack | 88 g total (10 x 8.8 g? depending on pack) | Great value for frequent shooters |
| Umarex 20 x 12g CO2 Capsule Pack | 240 g total (20 x 12 g) | Compact packs for portable shooting |
| ICO 25 Pack 12g CO2 Cartridges | 25 x 12 g | Balanced choice for practice |
| ICO 10 Pack 12g CO2 Cartridges | 10 x 12 g | Smaller bundle, reliable power |
Umarex 88g CO2 Pack — Reliability for Dealers

The Umarex 88g CO2 cartridge set is designed for paintball and airgun use with high-volume gas capacity. Features indicate a straightforward, robust power source suitable for sustained practice or semi‑auto shooting sessions. The four-pack variant provides multiple cylinders for extended sessions without frequent replacements. This option suits shooters who value quick swaps and consistent gas delivery across multiple sessions. Users should verify compatibility with their specific airgun model, as non-threaded designs may vary by device.
Considerations include the compatibility of 88 g packs with your rifle or pistol, the ease of handling with gloved hands, and whether you shoot in colder weather, where CO2 performance can be affected. The packaging mentions an airgun projectiles context, implying broad utility across platform types. For repeated sessions, the four-pack can reduce downtime between magazines or sessions, helping maintain training cadence.
Umarex 88g CO2 Pack — Ten Pack Value

This ten-pack option from Umarex is designed for frequent shooters who need reliable power over a long period. The 88 g capacity aligns with common airgun standards and supports many CO2-powered pistols and rifles. The package emphasizes a consistent gas output, which translates to predictable velocity and shot count in typical field tests or range sessions. When selecting this bundle, check your gun’s CO2 port size and threading to ensure seamless installation and minimal risk of leaks during exchanges.
Safety and quality are noted with a focus on leak resistance and stable performance in varied climates. The 88 g format is widely adopted, and users commonly report straightforward usage with standard CO2 pistols or rifles. For clubs or training groups, this larger pack can help standardize equipment and reduce the frequency of replenishment breaks between shooters.
Umarex 20 x 12g CO2 Capsules

This pack contains 20 small CO2 capsules, each delivering 12 g of gas. The non-threaded design makes them compatible with a wide range of CO2 airguns that use standard 12 g canisters. The compact format is ideal for shooters who travel to the range or prefer to carry several quick-change cylinders in a bag. The features list branding and a straightforward utility approach, positioning these capsules as a reliable power source for regular practice sessions or informal matches.
Potential considerations include the total number of shots per capsule in your specific gun and how the capsules perform in colder conditions, where gas expansion can slow. The non-threaded design reduces handling complexity and the risk of misalignment during changes. This pack is well-suited for shooters who prioritise portability and easy swaps without long setup times.
ICO 25 Pack 12g CO2 Cartridges

The ICO 25-pack offers a balanced choice for shooters who need a steady supply without carrying too many individual packs. Each cartridge delivers consistent power, with non-threaded design making installation quick for many popular airguns. The description highlights premium performance and reliability, with the implication of compatibility with a broad range of CO2 pistols and rifles. The packaging also notes environmental considerations, emphasising recyclability and a leakproof seal for dependable performance in various weather conditions.
Shot count per cartridge varies by model, but the pack aims to deliver consistent results across typical practice sessions. For club shooters or individuals who practice regularly, this larger pack provides a cost-effective route to maintain training momentum. It is wise to confirm compatibility with your specific firearm model before purchase to ensure optimal performance and safety.
ICO 10 Pack 12g CO2 Cartridges

This ten-pack from ICO provides a compact yet dependable option for shooters who want a dependable power source in smaller quantities. The non-threaded 12 g capsules are suitable for a wide range of airguns, with features highlighting leakproof design and high-grade CO2 content. The inclusion of a silicone lubricant in some listings is noted as a practical aid for cartridge installation and smooth operation of the gun’s seals during use.
Key considerations include shot consistency across different temperatures and the potential need for compatible gun models. For new users or those testing CO2 power levels, a smaller pack can be a sensible starting point before committing to larger bundles. Packaging is designed for recyclable disposal, aligning with environmentally conscious practices.
Buying Guide: Key Factors To Consider
- Compatibility: Check your airgun’s CO2 port type (threaded vs non-threaded) and the cartridge size it accepts. Mismatches can cause leaks or suboptimal performance.
- Capacity vs convenience: Larger packs reduce refill frequency but may be heavier to transport. Choose a bundle that fits your range schedule and travel needs.
- Consistency and temperature: CO2 performance can vary with temperature. Look for cartridges and packs that emphasize a stable, leakproof seal and reliable power output across a range of conditions.
- Safety and disposal: Use only one-time, non-refillable capsules as indicated, and dispose of empty canisters responsibly. Recyclability is a plus for environmentally conscious shooters.
- Cost-effectiveness: Compare price per shot across different pack sizes. While larger packs can be more economical, ensure you’ll use the volume within your shooting cadence.
- Brand ecosystem: Well-known brands like Umarex and ICO tend to offer broader compatibility with a wide range of popular airguns, providing greater assurance of performance and availability of replacements.
- Storage and handling: Keep capsules in a cool, dry place and avoid exposing them to direct sunlight or extreme heat to maintain gas integrity and reduce leakage risk.