With the included ¼” prepolarized pressure microphone, Model LXT1- QPR, is capable of reading the very high levels typically associated with gunfire testing. Silencers only marginally suppress a gun blast, bringing the levels down to around 120-150dB. Silencers are continually a hot topic of debate between gun owners and gun control advocates. Hunters typically don’t wear ear protection when traveling out in the field, either. Software piracy is theft, Using crack, password, serial numbers, registration codes, key generators, cd key, hacks is illegal and prevent future development of Cyberx Decibel Meter v.1.1.0.0 Edition. We observed a change of only 1-4dB between the two barrel lengths, both suppressed and unsuppressed. Firearm silencers are so similar to mufflers because the inventor, Hiram Percy Maxim, actually helped with a lot of the research for improving automobile and industrial silencers. Let your fellow shooters know – share this article using the Facebook, Twitter and other social media icons below. This is typically only an issue when shooting in low light or night time settings, like during a home defense situation, or a night-time predator hunt. © Copyright Ammotogo.com 2020 All Rights Reserved. The suppressed Sig P226 conversion gave us an average of 120-128 dB for all ammo tested. Decibel dB meter, Air guns, Airgun Forum. For example, in a law enforcement shooting situation, an officer may not have time, nor the desire to worry about protecting their hearing. When firing the Glock 19 suppressed, we recorded an average of 134-140 dB, while the H&K MP5 comes in at an average of 133-144 dB. Pistol calibers on the other hand are usually a better choice to achieve speeds less than 1,100 feet per second, also known as “subsonic”. It’s possible to shoot both subsonic and supersonic rounds through suppressed firearms. You can tell by looking at the RISEPRO Decibel … RWS Diana M34 Panther .22 Chopped with Vortek Kit and seal Xisico BAM B40 .177 Custom Vortek If you’ve ever spent time at the range or in the field hunting, you probably noticed how your shoulder was somewhat tender the next day due to the recoil of the firearm. According to research by Paul A. Clark, from 1995-2005 there were only 153 federal convictions in which a silencer was used during the commission of a crime. All testing was completed away from any reflecting surfaces, as to not negatively affect the audio readings. When shooting with a silencer, the levels come in at an average of  135-145dB. Since the use of a silencer does not alter the performance or velocity of the bullet being fired, when the projectile breaks the sound barrier you will hear what’s commonly known as a sonic boom or in this case, a sonic crack. Yearly calibration services are offered. The unsuppressed MP5 registered an average 160-163dB, compared to the unsuppressed Glock 19, with an ear-splitting average of 165-167 dB. Many firearm examiners are tasked with determining whether installation of a suppressor or silencer on a firearm results in a “perceptible” reduction of the sound pressure level of a gun. Remanufactured Varmint Grenade HP, Federal Lake City (American Eagle) XM193 55gr. The Larson Davis SoundTrack LxT® provides this functionality utilizing an easy-to-use handheld platform. Three of the most popular rifle calibers are .308 Winchester, .223 Rem/5.56mm, and .22lr. Clip argument, there are staunch advocates in favor of never using the term “silencer” when discussing firearm suppressing devices. OTM ammo. Whatever the reason may be, educating yourself and others will help everyone better understand how these devices, and their potential role as everyday tools, can have an influence on our hearing health, personal defense, and recreational uses. To legally purchase or possess a silencer you must meet the following criteria: At the time of writing this article, the following 42 states allow citizens to own a silencer for personal use: AL, AK, AZ, AR, CO, CT, FL, GA, ID, IN, IA, KS, KY, LA, ME, MD, MI, MN, MS, MO, MT, NE, NV, NH, NM, NC, ND, OH, OK, OR, PA, SC, SD, TN, TX, UT, VT, VA, WA, WV, WI, WY. That’s an average reduction of 34 dB when using a silencer with a 9mm firearm.