Usual unsuppressed peak sound pressure levels, measured 1m left of the muzzle;
9x19 mm pistols, c. 160-163 dB
9x19 mm SMG/carbines, c. 155-158 dB
.22 LR pistols, c. 155-158 dB
.22 LR rifles, c. 139-143 dB
Regards!
Tuukka Jokinen
Ase Utra sound suppressors
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