Uploaded May 2026 | Updated September 2026, 4 days ago

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In this sound/flash test comparison, Griffin puts the new DUAL-LOK® HRT-5K™ AM silencer up against the SureFire® SOCOM556-MINI4® and SilencerCo® Velos LBP 556K®. This test was conducted using the Bruel & Kjaer Pulse, lab grade sound meter.

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Timecodes:
0:00 - Intro
0:14 - Specifications
0:54 - HRT-5K AM Flash Testing / 12.5" MK2
1:28 - SOCOM556-MINI4 Flash Testing / 12.5" MK2
2:00 Velos LBP 556K Flash Testing / 12.5" MK2
2:33 - 12.5" MK2 Unsuppressed Reference
2:55 - HRT-5K AM Sound Testing / 12.5" MK2
3:53 - SOCOM556-MINI4 Sound Testing / 12.5" MK2
4:50 Velos LBP 556K Sound Testing / 12.5" MK2
5:47 - Conclusion / Results

Check out the new DUAL-LOK® and HUB HRT-5K™ AM silencers on the Griffin Armament website!

"SureFire®" and "SOCOM556-MINI4®" are federally registered trademarks of SureFire LLC and are two of many trademarks owned by SureFire LLC. "SilencerCo®" and "Velos LBP 556K®" are federally registered trademarks of SilencerCo, LLC. Griffin Armament is an independent manufacturer that is in no way affiliated with or endorsed by SureFire LLC or SilencerCo, LLC. The demonstration of the SureFire® SOCOM556-MINI4® and SilencerCo® Velos LBP 556K® is merely used for comparison to the Griffin Armament HRT-5K™ AM Silencer.

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