This video details a formal sound testing protocol for 5.56mm suppressors, utilizing professional equipment like the Bruel & Kjaer 2209 sound meter and adhering to Mil-Std 1447D. The expert-level instruction emphasizes objective data collection, establishing an unsuppressed baseline (167dB), and comparing various suppressor models, with results like the SilencerCo Specwar and Griffin Armament Recce 5 achieving 133dB.
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