Some decibel readings from Silencerco: https://www.youtube.com/watch?v=2vPfOMCZusA
Ruger 22/45 .22LR: avg 122db, 31db reduction, 123.92 at ear
Ruger 10/22 .22LR: avg 116db, 22.6db reduction, 124.56db at ear
16" AR-15 55gr 5.56x45: avg 133.6db, 33.5db reduction, 144.22db at ear
9" AR-15 220gr .300BLK: avg 127.6db, 30.3db reduction, 132.94db at ear
Remington 700 168gr .308WIN: avg 137.1db, 30.2db reduction, 131.38db at ear
Glock 19 147gr 9mm: avg 133.1db, 25.5db reduction, 136db at ear
Sig MPX 147gr 9mm: avg 126.3db, 29.1db reduction, 127.66db at ear
(16"?) AR10 168gr .308WIN: avg 136.3db, 31.4db reduction, 143.83db at ear
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