Description
When your Byrna launcher runs on 12 gram CO2, this is the refill pack you want on the shelf. These are genuine Byrna cartridges built specifically for the 12g launchers, so you get the velocity and shot-to-shot consistency the system was designed around. Each cartridge is good for roughly 30 rounds, which means this ten-pack keeps you topped off for training sessions, range time, or just knowing your launcher is ready when you reach for it.
What the Byrna 12 Gram CO2 Cartridges Fit
These cartridges are a custom fit for the Byrna TCR, LE, and XL launchers, along with any launcher running the Byrna Boost 12g adapter. The 12 gram size puts out more power than the smaller 8 gram cartridges, so if you are running one of the launchers built for it, this is the size you want. They thread in clean and seat the way they should, which matters when you are counting on reliable pressure.
Built-In Maintenance with the Byrna CO2 10-Pack
One of the handy touches here is that the pack includes a single cartridge pre-oiled for maintenance. Running that oiler through your launcher helps keep the internal seals lubricated, which goes a long way toward smooth operation and a longer service life. It is a small thing that saves you from buying a separate oiler and keeps your upkeep routine simple.
Because Byrna uses a pull-pierce setup, a cartridge stays unpunctured until you are ready to fire, which helps preserve pressure between uses. A good habit is to swap out a punctured cartridge and leave a fresh, unpunctured one seated so your launcher is primed and ready to go. Stocking a ten-pack means you always have spares on hand instead of scrambling for one when it counts.
Key Specifications
- Manufacturer: Byrna Technologies
- Manufacturer Part Number (MPN): CO2330
- UPC: 810042111011
- Cartridge Size: 12 Grams
- Quantity: 10 Pack
- Shots Per Cartridge: Approximately 30 rounds
- Compatibility: Byrna TCR, LE, and XL launchers, or launchers with the Byrna Boost 12g adapter
- Finish: Silver
- Overall Length: 4.5 in
- Shipping Weight: 0.95 lbs
- Maintenance: Includes one pre-oiled cartridge
What’s Included
- (9) 12 gram CO2 cartridges
- (1) pre-oiled 12 gram CO2 cartridge for maintenance
Frequently Asked Questions
Which Byrna launchers do these 12 gram CO2 cartridges work with?
These 12 gram cartridges are a custom fit for the Byrna TCR, LE, and XL launchers. They also work with any launcher that has the Byrna Boost 12g adapter installed. If your launcher runs the smaller 8 gram size, you will want the 8 gram cartridges instead.
How many shots do I get from each Byrna 12 gram CO2 cartridge?
Each cartridge is good for roughly 30 rounds of consistent performance. The 12 gram size puts out more power and more shots than the 8 gram cartridges. Actual count can vary a bit with temperature and how long a cartridge sits punctured.
What is the oiler cartridge included in the pack for?
The pack includes one cartridge that comes pre-oiled for maintenance. Running it through your launcher keeps the internal seals lubricated, which helps everything operate smoothly and extends the life of your launcher. Byrna recommends using it periodically as part of your upkeep routine.
Should I leave a CO2 cartridge in my Byrna launcher when storing it?
It is a good idea to leave a fresh, unpunctured cartridge seated so your launcher stays primed and ready. A cartridge that has already been punctured will slowly lose pressure over time, so swap those out. Thanks to the pull-pierce design, a seated cartridge stays sealed until you are ready to fire.





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