3 Underworld Compensators: Testing and Review installed on GST-9, Polymer 80 Glock, Sig p320

Always under ten minutes or it’s free haha.
Underworld Arms sent these over in exchange for this video. They didn’t pay me anything, I get nothing if you buy one, but there is a link up at the site under the video if you wanna check them out.

Stay ready, stay safe, and have fun, fam.

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