![]() They suppress the muzzle blast of a gunshot. Suppressors (aka Silencers) are like mufflers on cars. It also means a 170 decibel rifle report is more than ONE THOUSAND TIMES (1,000x) louder in volume than a 140 decibel sonic boom from a bullet. That is, a 143 decibel sound is twice as loud as a 140 decibel sound. Every three (3) decibels DOUBLES the volume of a sound. This noise is what makes most people deaf when firing guns, not the sonic boom or action.ĭecibels measure the volume of any noise. Ammunition, barrel length, and most importantly the distance between the muzzle and your ears all have an effect on muzzle blast noise. 22 LR rifles and long barrel shotguns all the way above 170 decibels for high powered rifles with muzzle brakes that direct blast (and noise) back at the shooter to reduce recoil. Muzzle Blast: by far the loudest part of a gunshot is the muzzle blast. Sonic boom: the sonic boom/crack from a bullet is loud, but borderline hearing safe, around 140 decibels.Īction: The action cycle of a gun is quieter than the sonic boom, and typically under 125 decibels depending on the platform. How loud are the three (3) sounds of a gunshot individually? ![]()
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