7.62×39 Subsonic
14.5″ Bolt Action
Unsuppressed ~160 dB
ALTUS 30 134.7 dB (~25 dB)
VORIX 30 121.7 dB (~38 dB)
5.56 NATO (M193)
14.5″ Gas-Operated Rifle
Unsuppressed ~168 dB
ALTUS 30 143.6 dB (~24 dB)
VORIX 30 139.0 dB (~29 dB)
Testing Note: Peak impulse sound measurements (LZpeak) recorded approximately 3 ft left of the muzzle. Unsuppressed sound levels represent typical centerfire rifle impulse noise for comparable platforms. Results may vary based on firearm, ammunition, barrel length, and environmental conditions.
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