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Take your Byrna launcher to the next level with the Byrna Boost CO₂ Adapter — a simple, easy-to-install upgrade that converts your Byrna SD, EP, or HD launcher from the standard 8g CO₂ system to the more powerful and widely available 12 gram CO₂ cartridge format.
The result: up to 30 rounds per cartridge — a 50% increase in shot capacity over the standard 8g system — giving you more firepower per reload during training sessions or self-defense situations. And because 12g CO₂ cartridges are available at sporting goods stores, paintball shops, and online retailers everywhere, you'll never struggle to find a refill.
The Byrna Boost Adapter replaces the standard 8g CO₂ cartridge housing on compatible Byrna launchers with a new chamber designed to accept the larger 12g CO₂ format. Once installed, your launcher functions identically — but with a larger CO₂ reservoir that delivers more consistent pressure across more shots. Think of it as a factory-level upgrade that transforms your Byrna SD or HD into the equivalent of the SDXL or HDXL.
12g CO₂ cartridges are not included. See our Byrna 12g CO₂ Cartridges 10-Pack to stock up.
Age Requirement: You must be 18 years of age or older to purchase this product.
Legal Compliance: This less-lethal launcher does not require permits, licenses, or background checks in most jurisdictions. It is legal in all 50 states, including California. However, you are responsible for knowing and complying with all federal, state, and local laws regarding less-lethal devices in your area before purchase and use.
Intended Use: This product is designed for lawful self-defense, personal protection, training, and recreational use only. It is not a toy and should be treated with the same respect and responsibility as any defensive tool.
Use Responsibly: This is a powerful self-defense tool. Always use responsibly, ethically, and in accordance with all applicable laws. Improper use may result in injury or legal consequences.
NAKESTORES and its affiliates are not responsible for any bodily injury, bodily harm, or accidental deaths that occur by using or misusing any product we sell. Any injury or death occurring from a product purchased from NAKESTORES is the responsibility of the purchaser.
30 Days Free-Return
To be eligible for a return, your item must be unused, in its original condition, with tags attached, and in the original packaging. A receipt or proof of purchase is required to initiate the return process.
To begin the return process, please click here. Make sure that you send the return to the following address:
Nakestores Byrna Dealer
7822 Balboa Blvd
Van Nuys, CA 91406
Once we accept your return request, we will provide you with a return shipping label and detailed instructions on how and where to send your package. Please note that returns without prior authorization will not be accepted.
If your Byrna® launcher, Byrna Shields™, Byrna Banshees™, or accessories arrive damaged or defective, you can request a replacement within ten days of receipt.
If you change your mind about an order, notify us within fourteen days of receiving your order. We will issue a refund if the order has not yet shipped.
Certain items are not eligible for return due to their nature. These include:
Refunds will be issued to your original payment method within five business days after we inspect the returned item. If you haven't received your refund after ten business days, please contact us at support@nakestores.com or call us at 855-777-7551.
Thank you for choosing Nakestores. We are committed to providing you with quality products and excellent customer service.
Overall rating: 5.0 / 5 from 5 reviews.
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"May sound a bit silly but i went with the SD Pepper Kit because of the Color. The Tan only comes in the SD so I purchased the Boost Launcher and turned my SD into an XL. I also want use of the 12 gram CO2 Cartridges for more lasting shots over the 8 gram. Once I attached the Boost onto my SD one would never know it was an SD."
"Makes my launcher last up to 7 mags with the Boost + the 12g CO2!!!"
"If you don’t already have one for your EP or SD you have to get one. The extra shots definitely count."
"May sound a bit silly but i went with the SD Pepper Kit because of the Color. The Tan only comes in the SD so I purchased the Boost Launcher and turned my SD into an XL. I also want use of the 12 gram CO2 Cartridges for more lasting shots over the 8 gram. Once I attached the Boost onto my SD one would never know it was an SD."