The more we all know, the better organized and stronger the shooting and hunting community will be. Reside in one of the 42 states that allows civilian ownership of silencers. You can tell by looking at the RISEPRO Decibel … Barrel length can also have an effect on the overall sound levels of a gun shot. To fight back against such ridiculous and unsubstantiated claims in recent years, legislation and research have been introduced to try and deregulate the sale of silencers all together. Both firearms used for testing in this caliber did have the same barrel length of 5.5″, but are built completely different. A test was performed in reference to MIL-STD-1474E, which offers requirements for measuring impulsive noise, to evaluate the differences in measurement results. With this in mind, we set out to do our own independent sound level testing. The term “Silencer” is really a colloquial term for firearm suppressors, and one of the most misleading aspects of the whole debate. Silencers only marginally suppress a gun blast, bringing the levels down to around 120-150dB. These additional small movements by the shooter can result in poor accuracy down range. Some may be about personal rights, others might just be looking for another hearing protection alternative. Many point to the way silencers are portrayed in the media as basis of inaccurate representation of their capabilities. Model LXT1-QPR and Model 800B Sound Level Meters are used to measure firearm noise. 90. It also seems the local state governments, like many others in the Northeast area, are simply against furthering firearm related legislation. Modern muzzle-level suppression is vastly superior to ear-level protection and the only available form of suppression capable of making certain sporting arms safe for hearing.”. Pay a one time $200 Transfer Tax Stamp fee. Gunshot noise is hazardous to hearing and suppressors are an effective means to reduce the exposure for the shooter. This is comparable to benefits of using in- or over-the-ear hearing protection. This means that noise levels can't be added directly like other numbers. If you’re wondering how loud a gunshot is with hearing protection, the answer is more difficult, as various types of earplugs and muffs reduce sound by different amounts. “the only potentially effective noise control method to reduce students’ or instructors’ noise exposure from gunfire is through the use of noise suppressors that can be attached to the end of the gun barrel.” – The Centers for Disease Control and Prevention (CDC). Of all the rifle calibers tested, the loudest average unsuppressed measurement of 172.87 dB came from the 18” Ruger American Predator, firing .308 Win Federal Gold Medal Berger 185gr. Some groups have even called for a complete and total ban of silencers for firearms. *Correction: It was previously stated that we used the Larson Davis Model 831 Sound Level Meter for this project. There weren’t any measurable differences in the audio levels when unsuppressed, but we did see a 2 dB different when using a silencer. Contrary to the term, “silencers” do not completely silence a firearm. All testing was completed away from any reflecting surfaces, as to not negatively affect the audio readings. Silencer Guide with Decibel Level Testing,, benefits of using in- or over-the-ear hearing protection, The Centers for Disease Control and Prevention (CDC), Sportsmen’s Heritage and Recreational Enhancement, Larson Davis Model LxT1-QPR Sound Level Meter, 22LR Federal American Eagle Rimfire Suppressor 45gr. It’s reasonable to assume that the longer barreled firearms with have lower decibel readings. Three of the most popular rifle calibers are .308 Winchester, .223 Rem/5.56mm, and .22lr.


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