Uploaded September 2025 | Updated September 2026, 6 hours ago

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The Byrna Boost attachment allows you to use 12 gram Cylinders instead of Byrnes proprietary 8 gram cylinders with the Byrna SD. This makes it easier and less expensive and also allows more shots before having to swap out the cylinder.
I also added Fast Cap Co2 cylinder cover for tool free cylinder changes and a seven shot magazine.
My target is a rubbermaid tub with a two inch high density foam liner and about seven rows of hanging sheets of thick fleece

DOUXIE MAGIC Fast Cap:
amazon.ca/dp/B0FL7TRDRQ?ref=ppx_yo2ov_dt_b_fed_asin_title

Byrna Boost and Sever round Magazine were ordered off the byrna web page

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