Uploaded May 2026 | Updated September 2026, 11 hours ago

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In this sound test Hot Wash, Austin breaks down the results of our recent comparison between the new M4SD-3 AM from Griffin Armament, the KAC® NT4-PRG® and the SilencerCo® Velos LBP®.

The M4SD-3 AM will be available soon on the Griffin Armament website, or through your local dealer!

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"Knights Armament®" and "NT4-PRG®" are federally registered trademarks of Knights Armament Co. "SilencerCo®" and "Velos LBP®" are federally registered trademarks of SilencerCo, LLC. Griffin Armament is an independent manufacturer that is in no way affiliated with or endorsed by Knights Armament Co or SilencerCo, LLC. The demonstrations of the KAC® and SilencerCo® silencers in this video is merely used for comparison to the Griffin Armament M4SD-3™ suppressor.