Byrna 88g CO2 Cartridges - 2 Pack (Mission 4 Only)
Byrna 88g CO2 Cartridges - 2 Pack (Mission 4 Only)
Available in stock
Byrna 88 Gram CO2 Cartridges - 2 Pack for Mission 4 Rifle
Power your Byrna Mission 4 high-capacity tactical rifle with genuine Byrna 88-gram CO2 cartridges. This 2-pack provides massive firepower with approximately 55 rounds per cartridge - that's enough to fire 3 full 19-round magazines at maximum velocity. Designed exclusively for the Mission 4's law enforcement-grade performance.
Key Features:
- 2-Pack of 88g Cartridges - Approximately 110 total rounds (55 per cartridge)
- Genuine Byrna CO2 - Factory-tested and certified for Mission 4 performance
- Maximum Capacity - Each cartridge fires approximately 3 full 19-round magazines
- Law Enforcement Grade - Delivers consistent 325 FPS velocity throughout all shots
- Integrated Buttstock Storage - Fits perfectly in Mission 4's CO2 buttstock adapter
- Premium Quality - Food-grade CO2 ensures clean operation and long rifle life
- Quick-Change System - Mission 4's CO2 housing allows fast cartridge replacement
Compatible Byrna Models:
- ✅ Byrna Mission 4 ONLY
NOT Compatible With:
- ❌ Byrna SD (requires 8g CO2)
- ❌ Byrna CL (requires 8g CO2)
- ❌ Byrna EP (requires 8g CO2)
- ❌ Byrna HD (requires 8g CO2)
- ❌ Byrna LE (requires 12g CO2)
- ❌ Byrna SDXL (requires 12g CO2)
- ❌ Byrna HDXL (requires 12g CO2)
- ❌ Byrna TCR (requires 12g CO2)
Why 88g CO2 for Mission 4?
The Mission 4 was designed from the ground up as a high-capacity tactical rifle system. The massive 88-gram CO2 cartridges provide the sustained power needed for extended engagements:
- 55 rounds per cartridge - Fire 3 full 19-round magazines without changing CO2
- Consistent 325 FPS - Maintains law enforcement-grade velocity throughout all shots
- Extended operations - Perfect for defending large properties or extended scenarios
- Cold weather performance - Massive gas volume ensures reliable operation even in cold conditions
- Integrated storage - CO2 buttstock keeps spare cartridge ready for quick reload
88g vs 12g vs 8g CO2 Comparison:
| CO2 Size | Approximate Shots | Compatible Models |
|---|---|---|
| 88g | ~55 rounds (3 magazines) | Mission 4 only |
| 12g | ~17-22 rounds | LE, SDXL, HDXL, TCR, Boost |
| 8g | ~12-15 rounds | SD, CL, EP, HD |
Why Genuine Byrna CO2?
While generic 88g CO2 cartridges may exist, only genuine Byrna CO2 is factory-tested to ensure consistent pressure, clean operation, and compatibility with the Mission 4's CO2 buttstock system. Using non-Byrna CO2 may result in inconsistent velocity, seal damage, or voided warranty.
How to Use with Mission 4:
- Insert 88g cartridge into Mission 4's CO2 buttstock adapter
- Secure the buttstock and ensure proper seating
- Fire approximately 55 rounds (3 full magazines) at full 325 FPS velocity
- Replace with fresh cartridge when power diminishes
- Store spare cartridge in buttstock for quick reload
Storage and Safety:
- Store in a cool, dry place away from heat sources
- Keep out of reach of children
- Do not puncture or incinerate cartridges
- Keep spare cartridges available for extended use
- Store spare cartridge in Mission 4's integrated buttstock storage
Specifications:
- Size: 88 grams
- Quantity: 2 cartridges per pack
- Shots per cartridge: Approximately 55 rounds (3x 19-round magazines)
- Total capacity: Approximately 110 rounds per 2-pack
- Compatibility: Byrna Mission 4 ONLY
- Quality: Food-grade CO2
- Weight: 1.95 lbs per 2-pack
- Storage: Fits Mission 4 CO2 buttstock adapter
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Disclaimer
Disclaimer
Last Updated: 10/12/2025
Welcome to Ungunn.com. Your use of this website and your purchase of any products or services from us signifies your acceptance of the terms and conditions outlined in this disclaimer. By proceeding, you acknowledge that you have read, understood, and agree to these terms.
1. General Product Disclaimer & Limitation of Liability
Ungunn.com is an authorized dealer of Byrna less-lethal products. Our products are intended for self-defense and recreational use. The use of any self-defense device, including Byrna launchers, carries inherent risks.
Assumption of Risk: By purchasing and using any product from Ungunn.com, you acknowledge and accept all risks associated with the use of these products, including, but not limited to, the risk of injury, property damage, or death. You assume full responsibility for the safe and proper handling of all products.
Limitation of Liability: Ungunn.com, its owners, employees, and affiliates will not be held responsible or liable for any direct, indirect, punitive, incidental, or consequential damages or claims, whether in contract, tort, or any other legal theory, arising from the use or misuse of our products or services. In no event shall our liability exceed the purchase price of the product in question.
2. Legal Compliance & Buyer Responsibility
It is your sole responsibility to ensure that you are in full compliance with all applicable federal, state, and local laws and regulations regarding the purchase, ownership, and use of Byrna products and accessories.
Age Restriction: You must be 18 years of age or older to purchase any Byrna product from Ungunn.com. By completing a purchase, you certify that you meet this age requirement.
Local Laws: Laws regarding non-lethal weapons vary by jurisdiction. You are responsible for knowing and complying with the laws in your specific city, county, and state. Ungunn.com will not be held liable for your failure to comply with these laws.
No Legal Advice: Any information provided on this website, including in product descriptions, blog posts, or FAQs, is for informational purposes only. It is not, and should not be considered, legal advice. We strongly recommend that you consult with a qualified legal professional regarding the legality of Byrna products in your area.
3. Product Performance & Warranty Disclaimer
We sell Byrna products "as is" with the manufacturer's warranty.
Manufacturer Warranty: Any and all warranties, whether express or implied, are provided by the product manufacturer, Byrna Technologies Inc., and not by Ungunn.com. We do not assume responsibility for the performance, reliability, or quality of the products.
Third-Party Information: Information on our website, including product descriptions and performance statistics, is based on data provided by the manufacturer. While we strive for accuracy, we do not warrant that all product information is complete, accurate, or error-free.
4. Training and Instruction Disclaimer
Ungunn.com offers professional, private training classes. This section outlines the terms of that service.
Instructional Purpose: Our training classes are designed to provide education on the safe and effective use of Byrna launchers.
No Guarantee: Completion of a training class does not guarantee your proficiency, safety, or effectiveness in a real-world self-defense situation. You are responsible for consistent practice and maintaining your skills.
Waiver of Liability: By participating in a training class, you agree to assume all inherent risks and to release Ungunn.com, its instructors, and affiliates from all liability for any injury, damage, or loss that may arise from your participation in the training.
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Contact Information
If you have any questions about this disclaimer, please contact us at:
- Email: sales@ungunn.com
- Phone: (888) 310-0833
- Address: 28048 Bouquet Canyon Rd #5, Santa Clarita, CA 91350
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Let customers speak for us
About our recent in-store purchase.... We were very pleased with the store's personnel who took the time to explain procedures and various products and allowed us to experience firing the launcher. UNGUNN has an extensive and comprehensive selection of self defense products and a visit here is highy recommended - even if you're not sure whether or not any of these options are for you. There was no pressure to buy anything and we are happy with what we selected.
I have guns but just the feeling of A non-lethal way it’s amazing and less headaches
If your looking for a airgun that looks real and has good range and a wide variety of round options, then this airgun is perfect. Its loud like a real gun as well so you can even scare off an intruder with just the sound. I'm definitely recommending this to all my family and friends.
I think it's an excellent product and would recommend it to anyone looking for a non lethal alternative to self defense. I've been practicing the kinetic rounds have an unbelievable impact. That alone would take the fight out of most people
Very excited about this purchase. Great quality product. this is a very solid, and very powerful non-letha gun, my wife and I feel safer walking to the park with our son knowing that we can defend ourselves. Customer service was amazing I place my order in 10 minutes I got an email saying that order was ready for pickup.
Tested on Corrugated boxes and went through , tested on 1/4 inch wood and almost went through. I love it
This thing is no joke!!! After testing it in my garage, i feel that it is a viable carry option...and i don't just trust any bullshit gimmick when my life is on the line. After witnessing what the solid projectiles did to the piece of particle board i was using as a backstop??? You can officially label me a "byrna believer". I will be buying a few more in future weeks.
Great product and well made.
The SD feels so comfortable in my hand, I was surprised, even though in didn't exactly know what to expect, on how fast the projectiles move. I plan on more practice soon. Very happy.
My husband and I bought 2 Byrna SD Kinetic kits. He received the black one and I got the pink one. They are similar in feel to a real pistol and are a great option for non lethal self defense. We also purchased lasers, Byrna Max projectiles and holsters. This is a great addition to my arsenal of tasers, batons and pepper spray cans. We live in a suburb of Seattle and have encountered individuals breaking into our automobiles and trying to enter our home. This will be a great deterrent to these encounters in the future. The Byrna launcher is easy to use and maintain and my 85 years young mother loves to practice shoot with it! Get one. It's a great tool for deterring bad situations. I prefer not to own a lethal weapon and this is a viable alternative. Several law enforcement officers have given me positive feedback on these launchers.
Works great. As far as personal protection devices go, I highly recommend the device. My job requires me to travel to many different places throughout the day and it’s nice knowing that I have a non lethal option to protect myself. I have nothing against carrying a lethal option, however most cases that people encounter where they feel threatened can be resolved with a show of force and if necessary, a powerful non lethal option without loss of life.
Perfect for keeping supplies secure, tidy, and organized!
Although I also have the Byrna sling bag for everyday carry (which holds 4 CO2 and 2 tubes of balls), I needed the right product to keep the extra pepper ball tubes and CO2 cartridges handy at home or in reserve.
Byrna offered a great deal on this case at the time of this second purchase.
After I had received my Everyday Carry Starter kit in my first Byrna purchase, I realized that I need more pepper balls, but maybe not yet a whole bottle like the kinetic projectiles.
As a side note, I put sight dots on the Byrna launcher to help in less-than-optimal light conditions, like if I am target shooting in the wetlands outside the boundaries of my apartment complex.
This thing is amazing! I plan to purchase another one!
This seems like a great self defense option, especially with the Live X grade PepperBalls. It packs a big punch and after shooting a post from 30-35? away with a regular strength PepperBall, I walked up to it and immediately had some effects from the PepperBall. I am loading up with the LiveX ones that are 10x strength and feel confident in the device to provide me adequate protection.
This was a great deal. The bag is really nice and at a great deal it self.
The Byrna Advantage
Trusted Less-Lethal ProtectionByrna has established itself as the leader in less-lethal self-defense technology, offering powerful protection without the permanence of firearms. Our launchers provide an effective deterrent that can stop threats at a distance, giving you and your loved ones crucial time and space in dangerous situations.Proven Performance When It MattersEngineered with precision and reliability in mind, Byrna devices are trusted by law enforcement, security professionals, and responsible citizens worldwide. Each launcher is rigorously tested to perform consistently when you need it most.No Firearms License RequiredByrna offers powerful protection without the legal complexities of traditional firearms in most jurisdictions. This means faster access to personal safety for you and your family.Confidence Through TrainingWe don't just sell products—we empower responsible ownership through comprehensive training resources, ensuring you're prepared to use your Byrna effectively and safely.American Innovation, Global ImpactDesigned and supported in the USA, Byrna represents the cutting edge of less-lethal technology, backed by a commitment to customer service and continuous improvement.
- Superior Defense Technology
- Trusted Protection, Proven Results
- Leading the Less-Lethal Revolution
At Ungunn, we want you to be completely satisfied with your purchase. We offer a 30-day free return policy for most items. If you are not entirely happy with your order, we are here to help.
30-Day Free Return Policy
You have 30 calendar days from the date you receive an item to initiate a return. To be eligible for a return, your item must be:
- Unused and in the same condition that you received it.
- In its original packaging.
- Accompanied by the receipt or proof of purchase.
Note: Returns that do not meet these conditions may not be accepted.
How to Initiate a Return
For a quick and easy return, you can use our self-serve customer portal.
- Log in to Your Account: You can log in to your account directly on our website.
- View Your Orders: Once logged in, go to your order history and select the order you want to return.
- Submit a Request: Follow the on-screen instructions to select the item(s) you wish to return and provide a reason.
Once you submit your request, our team will review it and send you an email with further instructions and a prepaid return label.
Non-Returnable Items
Due to the nature of certain products, the following items are not eligible for return or refund:
- Byrna Pepper, Max, and BGR Products (including all chemical projectiles).
- All CO2 Cartridges.
- Body Armor and Ballistic Plates.
- Custom or personalized products.
Refunds
Once we receive your returned item, we will inspect it and notify you of the status of your refund. If your return is approved, we will initiate a refund to your original payment method.
- Refund Timeline: You can expect to receive your refund within 5-10 business days, depending on your card issuer's policies.
- Damaged or Defective Products: If you receive a damaged or defective item, please contact us immediately so we can arrange for a replacement.
At Ungunn, we are committed to delivering your Byrna products with care and efficiency. We want your shopping experience to be as clear and straightforward as possible, especially when it comes to getting your items to your door.
Shipping at a Glance
Here’s a quick overview of our shipping options:
- ⚡️ Processing Time: Same-day shipping for most in-stock orders placed before 1:00 PM PST.
- 🚚 Delivery Time: We use USPS, UPS, and FedEx for fast and reliable delivery.
- 💸 Shipping Fee: FREE shipping on all orders over $100. Rates for orders under $100 are calculated at checkout.
- 📦 Delivery Tracking: You'll get tracking info via email as soon as your order ships.
Order Processing & Cutoff Time
We pride ourselves on our fast processing. All in-stock orders placed before 1:00 PM Pacific Time (PST) will be shipped on the same business day.
- Orders placed after the cutoff time or on weekends (Saturday-Sunday) will be shipped on the next business day.
Shipping Costs
Shipping costs are calculated at checkout based on the items in your order and your shipping destination.
- Free Shipping: All orders with a subtotal of $100 or more qualify for free shipping.
- Standard Shipping: For all orders under $100, a shipping fee will be calculated at checkout.
Shipping Methods & Carriers
We ship all orders via reputable carriers to ensure your products arrive safely and on time.
- We use a variety of carriers including UPS, FedEx, and USPS. The carrier for your order will be selected based on the size, weight, and destination to provide the fastest delivery time possible.
- Domestic Shipping: We currently ship to all 50 states within the United States.
- International Shipping: We do not offer international shipping at this time.
Order Tracking
- Once your order has been shipped, you will receive a confirmation email with a tracking number and a direct link to the carrier's website.
- Please allow up to 24 hours for the tracking information to update and become active.
Local Pick-Up
We also offer a convenient local pickup option for our customers in the Santa Clarita, California area.
- Your order will be ready for pickup within one hour of being placed during business hours.
- You will receive an email notification when your order is ready for collection.
- Pickup orders can be collected at our physical location: 28048 Bouquet Canyon Rd #5, Santa Clarita, CA 91350.
Important Notes
- Stock Levels: Our website features live stock counts. If an item is shown as in stock, it is available to be shipped.
- Exclusions: We currently do not ship to P.O. Boxes or APO/FPO addresses.
- Damages: Please inspect your package carefully upon arrival. If an item arrives damaged, please contact us immediately at sales@ungunn.com with photos of the damage so we can assist you.
Need Assistance?
If you have any questions about shipping, lead times, or anything else, please don't hesitate to reach out to our team at sales@ungunn.com or call us at (888) 310-0833.
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