The simple ported cone-baffle tubeless design of the Half Nelson (and Trash Panda) silencers is observed to exhibit extremely efficient subsonic sound signature performance for the design envelope. I'm open to either QD or direct thread options, leaning toward the QD. 9mm suppressed is around 125-126 dB. The average sound level heard by shooters from the Banish 30 Gold is 132.9 decibels! Dead Airs Sandman suppressors have great reputations and with good reason. This series is all about us doing our best to show you how quiet some of the most common guns in America can be, when affixed with suppressors. He is a graduate of the University of North Carolina-Chapel Hill and holds a Masters in Business Administration (MBA) from Duke University. CPRN, PMC X-TAC Match 77gr. The sound signature of the Half Nelson when suppressing subsonic 300 BLK significantly differs from its signature when suppressing supersonic .308. There are simply more barrels, magazines, rifles, pistols and other accessories dedicated to 300 Blackout as opposed to 350 Legend. I'm trying to stay as short as possible. Since silencers can be expensive and a hassle to purchase, many people opt for a model that will work well with multiple calibers. It's a very different sound, and I think it makes people feel like it is quieter than it actually is. 300 Blackout Ballistics Test Results. All Rights Reserved. The Suppression Rating Performance delta between the Half Nelson and the Energetic Armament VOX S, for example, is significant at the shooters ear; detailed waveform and inner-ear response comparisons of the two silencers is the subject of a future PEW Science Member Research Supplement. The hesitation of hunting with silencers in these states allegedly comes from trying to stop poachers from quietly killing game animals back in the mid 1900s. Similar to the rifle testing, .22lr had some of the lower dB readings for this round of testing. IMO, it's the best rimfire can ever made. Depending on the setup, the cost of purchasing a silencer can range from a few hundred to upwards of thousands of dollars. We are excited to provide you with the best and most meaningful silencer sound reviews available. Are you one of the 1.4 Million+ civilians that actually owns a silencer? A summary of the principal Silencer Sound Standard performance metrics of the Half Nelson is shown in Table 1. if(join_popup){ When used in action films, the bad guys are usually running around gunning down their targets, all while remaining undetected due to the whisper like sound levels of theirevil guns. Not to mention 17-4 baffles for ultrasonic cleaning. The Banish 30 Gold is an 8.2-inch quick detach suppressor holding 11 baffles, and comes with two 100% titanium muzzle brakes (1/228 and 5/824). Comparing 300 BLK to an existing round with regards to bullet weight, caliber, velocity and energy sets the stage. 30 cal cans tend to be larger than 556 cans and so often have a slightly more pleasing lower tone. I would not even buy .300 blackout unless its was 10 inches with a suppressor. When paired with the Q mini FIX 8" 300 BLK and fired with Discreet Ballistics 190gr Subsonic Target ammunition, the Richmond Tactical RT30Ti with Dual Port Muzzle Brake achieved a Suppression Rating of 55.7 in PEW Science testing. Maddoxs NFA expertise makes him a popular voice for the industry, and he speaks regularly at National Compliance Conferences. This is by far the quietest AR I own a. One great example of how silencers work can be seen when looking at cars muffler. The 9mm carbine will be slightly quieter than the 9mm pistol due to the longer barrel length, however the pistol will be much handier and more practical. Thats how loud mine is. Using an OSS (now known as HUXWRX because. Click Here for Terms and Privacy Policy, SSS.1 - Main Page SSS.2 - Methodology IntroductionSSS.3 - Hearing EffectsSSS.4 - Test Method and ResultsSSS.5 - Suppression RatingSSS.6 - Sound Signature ReviewsSSS.7 - PEW Science RankingsSSS.7 - Member Review LinksSmall Arms Technical Data, Frequently Asked QuestionsAbout PEW ScienceThe Jay Situation PodcastTerms and Conditions, (Message automatically replaces this text), SSS.6.29 - Q Half Nelson and the Q mini FIX 300 BLK Subsonic (Free Version). This is commonly experienced by many people when shooting a firearm. Additionally, the use of a suppressor dictated going to a shorter barrel as soldiers were finding full sized rifles becoming unwieldy with a 5 to 8 sound suppressor mounted on the muzzle. The performance of the direct-thread Half Nelson on supersonic .308 is similar to that of the Cherry Bomb muzzle device-equipped Q Trash Panda, which is detailed in the previous PEW Science Sound Signature Review 6.4, in which the Trash Panda achieved a Suppression Rating of 33.1. People generally dont like to be interrupted by unwanted noises. Just wondering what else you all are using. Q Half Nelson Bolt Action 300 BLK Muzzle Sound Pressure Signature, Short Time Window, 24-OCT-2020, Figure 3a. Even though a .30 Cal silencer will suppress a gun shot from a smaller caliber, the sound isnt as suppressed as it would if the shooter were using a model made exclusively for the round being fired. Subscribe to our monthly Newsletter to receive firearm news, product discounts from your favorite Industry Partners, and more. These sounds are in no way changed by the use of a silencer. 3. //CRO classes for Join Our Inner Circle popup document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Brandon Maddox, CEO and owner of Silencer Central, is recognized as a national thought leader on Class 3 firearms. OTM, The Best Self Defense Ammo Ballistic Testing. Its dual purpose gives it a very distinct role in both personal defense and shooting sports. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. The maximum peak pressure amplitude of the first shot is measured to be 142.7 dB. The most versatile suppressor in the Banish line, the Banish 30 works with all of your rifle calibers from .17 to .30 caliber magnums. I can only assume it would be glorious. You could use the same 5.56/.223 magazines (just be careful not to mix them up) and still get great performance numbers while keeping the decibel level to a minimum. Note that using the Half Nelson with a tapered barrel provides for a very simple, repeatable, and secure attachment mechanism. As of 2018, Texas is the leading state in silencer ownership, with just over a quarter of a million registered devices. You can support PEW Science testing, research, and development with a membership, here. AR15.COM is the world's largest firearm community and is a gathering place for firearm enthusiasts of all types. Re: Lowest db at shooters ear with suppressor. I don't want to add an 8" to 9" suppressor onto the 8" barrel. That speed usually falls in the range of 1,100 feet per second. A zoomed-in timescale displays the region of peak sound pressure in Figure 2b. Just the insight I was looking for. Note that the Cherry Bomb muzzle brake used with the Trash Panda is heat-treated stainless steel; the combustion products produced on various barrel lengths influence the heat, abrasion, and other phenomena incurred by the blast-baffle interface of a silencer. Sig Sauer MCX . Copyright 1996-2023 AR15.COM LLC. The unsuppressed MP5 registered an average 160-163dB, compared to the unsuppressed Glock 19, with an ear-splitting average of 165-167 dB. Jetting increases out of the silencer end-cap, and a 142.4 dB peak occurs. As a result, the user is encouraged to consider their use case(s) when selecting a direct-thread silencer or a muzzle brake mounted silencer, as muzzle brake mounts like the Cherry Bomb can serve as sacrificial blast baffles on certain host weapons such as short-barrel semi-automatic rifles. The waveforms are not averaged, decimated, or filtered. Anticipating this harsh recoil, shooters tend to brace for the impact and the blast of the muzzle just prior to pulling the trigger. Call 888.781.8778. The Omega 300 is popular for all sorts of .30-caliber chamberings, including the .300 Blackout cartridge. I've bought all of my cans, so I'm being 100% unbiased and honest when I say that I'm downright impressed with the OCL cans. In this video, I shoot a .300 Blackout with a Silencer to compare subsonic ammo and supersonic ammo. The gas volume and combustion products created by firing a subsonic intermediate rifle cartridge such as 300 BLK are still significant; the measured pressure and impulse magnitudes, and their durations, illustrate this fact. State-of-the-art firearm sound signature testing and research conducted by PEW Science is supported by readers like you. Thats an average reduction of 34 dB when using a silencer with a 9mm firearm. .45 ACP suppressed is around 135 dB. Scan this QR code to download the app now. One of the dangers of keeping both rounds in the same collection is that 300 Blackout will actually chamber in a 5.56 rifle. Another positive note is that 300 Blackout and the original 300 Whisper cartridge are completely interchangeable from barrels to reloading dies as well as reloading components and specifications. These are all major variables. . CPRN ammo, .308 Win Federal Gold Medal Berger 185gr. Pistol caliber conversions for the AR platform often need different magazines, buffer assembles and other changes to make them effective and reliable. Hi! Magnum actions are intended for powerful belted magnum cartridges such as 300 Winchester Magnum, 459 Winchester Magnum or 375 Holland & Holland. The next peak of 117.7 dB occurs during combustion within the weapon system. If you dont reload and dont mind paying around $1 per subsonic round then go crazy. Either way shooting a gun is going to damage your ears but the 5.56 is def one of the loudest rounds. A friend took a video while I was popping off some .300 subs through my Gemtech HVT. Be at least 21 years of age to purchase a silencer from a licensed silencer dealer. Ill see how it works. This is my only experiance shooting and hearing suppressed 300blk in person. Another consideration is range we find the 300 Blackout perfectly acceptable for taking deer within 150 yards. So, the reason why I ask this is because people say it's more than hearing safe when using subsonics and such. As a comparison, a 230 grain round of Federal JST .45ACP ammunition has a muzzle velocity of 863 fps and has 380 ft/lbs of energy at the muzzle when fired from a 1911. Silencers can help soften these noises from personal and public ranges, as well as hunting properties. Furthermore, 223 Remington is considered a commercial civilian use round, making it more suitable for hunting applications, not unlike the 300 Blackout supersonic load. Yet some troops would say that a heavier and slower bullet may not have the penetration ability of the 5.56 but addresses the overpenetration issues noted by US Army Rangers and Infantry in operations in Somalia where the 5.56 required multiple hits on target to dispatch an enemy soldier, whereas the 7.62 x 39mm seemed more effective at stopping an enemy combatant with a single round. If op is looking for the most quiet AR then I would go with 22lr or 9mm Guard. Unweighted is a more accurate method of evaluating potential hearing damage and is the best method to use when testing firearms. I have a problem. This will allow for proper penetration and expansion and a marked level of improved performance when it comes to terminal ballistics. I had a 8.5" with a YHM Phantom LT and out in the open it sounded like a phneumatic nail gun going off. OTM ammo. For home defense you are better off with a 9mm pistol or carbine loaded with 147grn hollowpoints. Subsonic 350 Legend can be safely fired through most 9mm suppressors in the same manner as 300 Blackout subsonic. Performance is quite similar to the 30-30 Winchester, only we feel it is a more accurate round with much better projectile options for terminal ballistics on big game. In this review, the Half Nelson performance metrics depend upon suppressing a subsonic intermediate rifle cartridge. Remington and AAC changed the design slightly by using trimmed and expanded 5.56 NATO brass as opposed to 221 Fireball or 222 Remington as the parent case. But, know were not advocating the Hollywood portrayal of these tools as accurate. The Q Half Nelson suppressor is intended to possess significant sound suppression performance for its size in the subsonic flow regime. Before his work with Silencer Central, Maddox practiced pharmacy and served as a marketing executive in the pharmaceutical industry. For the bolt action rifle shooter, action length is often an important consideration, as this can affect the weight of the rifle and its overall configuration for handling recoil. Let Our Experts Guide You. When fired unsuppressed, the .22lr rounds came in at an average of 155-161 dB, just under the unsuppressed H&K MP5. Are Suppressors Worth It? For example, use one type or color of a magazine for one round and a different one for the other. The bright flash emitted from a gun blast can cause temporary blindness and disorientation of the shooter or others in close vicinity. for .338 lapua), or for an all around performer, a dedicated .300 blackout can. Clark also wrote, The data indicates that use of silenced firearms in crime is a rare occurrence, and is a minor problem. Answer: There are countless YouTube videos dedicated to the subject. Not as quiet as pistol subs but quiet. I clean the baffles from my Griffen Optimus and Revo in my tumbler with stainless pins (come out shinny and new btw), and was wondering if I could throw these in there as well. Would the subs not just tend to punch through? The Hearing Protection Act of 2017, Sportsmens Heritage and Recreational Enhancement (SHARE) Act, and SHUSH Act, although unsuccessful so far, have sought to amend the current laws to deregulate and treat silencers like other firearm accessories. Sierra MatchKing OTM, Black Hills 36gr. You are using an out of date browser. Whatever suppressor I choose will be dedicated for 300 Blackout and I will only be shooting 300 Blackout subs (220gr) through it exclusively. Originally born of a US SOCOM contract with Advanced Armament Corporation (hence the .300 AAC Blackout name), our nations Special Operations Forces wanted a weapon system that could switch between sub-sonic and super-sonic rounds effectively and quickly, from a compact package, while not . A number that has grown significantly over the past two decades. A subsonic 300 round is roughly equivalent to a .45 acp pistol round. PEW-SOFT, Hearing Damage Level, Silencer Sound Standard, and Sound Signature Review are trademarks owned by PEW Science, LLC. Available to help: Mon-Thur. . This fast rise-time is most likely predominantly due to the bore aperture size of the silencer being large relative to several silencers tested by PEW Science, to date, and the subsequently higher gas flow rate. The advantage of 300 Blackout is if the shooter wants an AR-pattern rifle or pistol that is easily suppressed, they can use a common magazine and typically only need to swap an upper receiver. It has a 1.75-inch diameter and is 6.85 inches in length. All Banish suppressors have been designed for unmatched sound suppression, and testing shows that the Banish 30 Gold reduces the report by 36 decibels. Research that demonstrates the superiority of silencers over traditional ear protection has been published by Matthew P. Branch, MD. ), Shooting Down Seven Common Silencer Myths, Titanium offers great strength with minimal weight, Materials: Cobalt, Inconel, Stainless Steel, and Titanium, Comes with multiple mounts, a pouch, a cover, and a baffle removal tool, Confirm product compatibility with your firearm, Let us guide you through the Form 4 process, Explain new ATF eForms for Lightning Fast Approvals. Silencers arent the easiest firearm accessories to purchase. TNVC/NGI Giveaway: 15 winners with over $7000 worth of prizes!! It also doesnt take an Audiologist to understand that constant exposure to loud noises can lead to hearing loss. If you understand how silencers work and would like to jump straight to the data, here is a quick guide to the sections covered in this project: When you fire ammunition from a gun, the ammo generates hot pressurized gases that need a place to escape. Hit the bolt release. Megan, Maddoxs wife, is a 5th generation South Dakotan, and together they have two daughters. It is a 30 caliber centerfire rifle silencer, intended to suppress most cartridges with projectiles appropriately sized to travel through the bore, including 300 Winchester Magnum. Look at Q Half Nelson. Jones formed the brass from 221 Fireball cases expanded to take a .30 caliber bullet. Real sound pressure histories from a 5-shot test acquired with PEW-SOFT are shown below. Figure 2 shows a significant pressure regime first-round-pop (FRP). I have never shot a suppressed rifle with supersonic rounds inside a building, without hearing protection, so this is just off the top of my head. The Half Nelson is a direct-thread model, and cannot be used with the Cherry Bomb muzzle brake. Both firearms used for testing in this caliber did have the same barrel length of 5.5, but are built completely different. So far the extremes are S&B feels like the softest shooting with the least amount of noise. What every day sound could I compare a .300 BLK to in order to get a good idea what it'd be like at about 120 DB. They normalized different load data and submitted the new cartridge to SAAMI (Small Arms Ammunition Manufacturers Institute) and CIP (Permanent International Commission for the Proof of Small Arms) for standardization and christened the new round 300 AAC Blackout by CIP and 300 BLK by SAAMI. All Rights Reserved. 300Blk bolt gun + Specwar 762 + very fast powder @ subsonic velocity = Hollywood quiet. The average unsuppressed levels, which were some of the loudest results for the pistol calibers, came in at average of 165-167 dB, while the average suppressed levels came in 21-26 dB lower, ranging from 141-146 dB. The improved design means that it will work with a standard AR15 or M16 bolt and magazines with the only real part change being the barrel. Man, thats really quiet and a ton of fun! . Please feel free to leave comments at the bottom of each review page. The subsonic 300 Blackout loads are often compared to 45 ACP, 10 mm or 9mm subsonic rounds. 161 dB 165 dB 164 dB 162 dB dB dB 13Z dB 133 dB 132 dB 126 dB 116 dB 113 dB 111 dB dB us SILENCER SILENCER Remington zoo vrR 308 Remington 810 12 Shotgun Unsuppressed 9mm Walther P22 .221.R Pistol Unsuppre ssed CC I Standard Ruger 10/22 .22LR Rine Unsuppre ssed CC standard Remington gauge Remington Gad 8THP AR-IS, ss ed ssgr F w ss ed .221.R Well, the sound of the bolt cycling is around 110 decibels and a few of the newer cans on the market hover between 118-122 decibels shooting quieter, subsonic 300 Blackout. But, if theyre are so horrible and deadly, why isnt there a thriving black market for silencers and a plethora of crimes to connect them to? If you want the ultimate when it comes to quite centerfire stuff check out innovative arm's CZ. I was just cleaning the Mask and guns from the shoot last Friday and was wondering about the baffles. The subsonic 300 Blackout loads are often compared to 45 ACP, 10 mm or 9mm subsonic rounds. Like all Banish suppressors, the Banish 30 Gold is made from a strong titanium alloy that results in unmatched durability at an extremely lightweight of just 13 ounces. Featuring a low blowback design, the Sandman-S is touted for not only its compact construction but also for its impressive noise reduction at the ear. Some may be about personal rights, others might just be looking for another hearing protection alternative. One new winner* is announced every week! Three of the most popular rifle calibers are .308 Winchester, .223 Rem/5.56mm, and .22lr. The silencer is available as a 5/8"-24tpi 25-degree . There are other significantly different early-time signature characteristics as well, to include delayed first round gas jetting with the Half Nelson, which result in different suppression performance. Moreover, the legislative history of silencer statutes indicates that these provisions were adopted with little or no debate. ◀Previous Post Next Post If it seems like weve been covering Q a lot this year, youre right. Internal silencer design can significantly influence the measured timing and pressure amplitudes. Maddoxs NFA expertise makes him a popular voice for the industry, and he speaks regularly at National Compliance Conferences. I am sure it will not cause hearing damage. Following these standards, we placed the microphone 1 meter to the left of the muzzle and 1.6 meters above the ground, with the microphone pointing upward, at a 90 degree angle to the bore. It is a different tone than .22 lr suppressed to my ear but probably just as quiet to me. To examine the Q Half Nelson first round sound signature characteristics in context, the reader is encouraged to also review the test results of the Energetic Armament VOX S with the same host weapon and ammunition in Sound Signature Review 6.25. The result comes out as exiting exhaust within an acceptable audio range. What began as Maddoxs home-based Federal Firearms License (FFL) evolved into a Class 3 Dealership and has grown into the nationwide brand it is today. For our testing purposes, we used a *Larson Davis Model LxT1-QPR Sound Level Meter. It is magical. With an average reduction of 41 dB, its easy to see why so many people enjoy shooting this caliber with a silencer. Overall, we recorded an average of 119-129dB when firing all ammunition suppressed. Incorrect, it's a supersonic round that just happens to suppress very nice. Left to Right: Lehigh Defense 78gr HVCQ, SIG 120gr HT, Lehigh Defense 111gr MSFT. Additionally, we find 300 Blackout in supersonic form to have a very mild and pleasant tone when fired through most suppressors rated for 308 Winchester. Gemtech - GMT-.300BLK Suppressor. For this reason, we recommend that if you shoot both calibers to incorporate some variables with regard to your shooting components and accessories. As far as sound measurements are concerned, we can cite decibel(dB) levels all day, but unless we have something to compare them to, the numbers are somewhat useless. As we stated earlier, this is a disservice to both cartridges. It just makes the entire shooting experience a lot more enjoyable. The stelTH line was designed from the ground up . 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. Agree totally on ammo being a factor. By using a silencer or suppressor, you can also greatly reduce, or in many cases eliminate the bright muzzle flash caused by the burning gases exiting the barrel. Some subsonic ammunition is used in non-suppressed firearms to gain the advantages of heavier bullet weights. Still loud with unprotected ears but not painful or even unpleasant in anyway. Federal American Eagle Suppressor 45gr. The long action is used for rifles chambered in calibers such as 30-06 Springfield. The Dead Air Sandman-S features a quick-detach mounting system that incorporates an index pattern for ease of mounting and removal. As these turbulent gases exit the firearm, the dramatic change in pressure causes a loud blasting sound. Simple, dependable, adaptable, and reasonably priced. Back pressure characteristics present in the supersonic and subsonic flow regimes are the subjects of ongoing PEW Science research. I love mine. Here are our top picks for suppressors to use with the .300 Blackout cartridge. As far as my preference goes, I want a silencer that's quiet, durable/reliable/high quality, simple mounting system, and great warranty/customer service. Misses were the loudest lol. Friend built a 16 hog hunting AR. Severe deficiencies were found when trying to make the military service rifle shorter. That makes it one of the best multi-caliber suppressors in its class, so it will be right at home on a variety of other rifles, too. Thanks, Busa! Figure 1 shows a 2-millisecond long sequence of events during the first test shot of the Half Nelson, as measured 1.0 m left of the muzzle. From hunters and military members, to competition shooters and general firearm enthusiasts, we welcome anyone who values and respects the way of the firearm. The 300 BLK round is an excellent cartridge for hunting. Founded by Frank Galli in 2000, Snipers Hide has been offering informational videos, podcasts, and other support to its users in one location. 2023 Silencer Central. Clip argument, there are staunch advocates in favor of never using the term silencer when discussing firearm suppressing devices. Want to further support PEW Science? 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. Terminal ballistics for both rounds as a military cartridge will be compared ad nauseum. Went with a Standard Nomad for the BO SBR. MIL-STD 1474D is considered the military standard for measuring sound. The silencer weighs 12.2 ounces. This lets us control how loud or quiet we would like our firearm to sound. Please check your email for status updates. The suppressed Sig P226 conversion gave us an average of 120-128 dB for all ammo tested. SilencerCos Omega 300 is the lightest, shortest, quietest, full-auto-rated, titanium silencer in its category. If youve 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. New to this forum, but it looked like the right place to get some feedback on suppressors. This review contains single-test results using the Half Nelson on the Q mini FIX bolt action pistol, chambered in 300 BLK with an 8-inch barrel. 300 Blackout Buckets, . Dont think you can get much quieter than this in a centerfire. Hey Clayman. In this regard we often see more soft point, hollow point and general use hunting rounds in 223 Remington as opposed to 5.56 NATO. I was trying to avoid the general "what suppressors do you like" approach. This gives a shooter an idea of what to expect recoil wise and the intended use of the round. The peaks, shape, and time phasing (when the peaks occur in relation to absolute time and to each other) of these raw waveforms are the most accurate of any firearm silencer testing publicly available. Also provides the ability to run on a pistol host if you want. It has a 1.56-inch diameter and is 4.8 inches in length without a mount. I do not know decibel level but I shoot unsuppressed sometimes and I have tried it without hearing protection. //CRO classes for Join Our Inner Circle popup Well, my new Otter Creek Labs Hydrogen-L & Hydrogen-S cans made it to the SOT on Form 3. The Half Nelson is designed and manufactured by Q. Generally, the shorter the firearm barrel, the louder the blast will be. These additional small movements by the shooter can result in poor accuracy down range. It is not a bad idea to ensure that the upper receivers can be easily distinguished, whether by different optics, rails or colors. Another consideration for rifle shooters is often the size of the rifles action. Either way, youll still get great sound suppression with minimal added length on your .300 Blackout rifle, carbine, or pistol in either configuration. As the Half Nelson and Trash Panda are both constructed of titanium, users should be mindful of their firing schedules and barrel lengths. The key advantage here is that AR magazines are inexpensive when compared to just about every other platform out there. Top 7 of 300 Blackout Suppressor Reviews. 4. If, however, youll be shooting suppressed in tighter, more confined spaces, or you just dont want as much can hanging off the end of your barrel, then youll benefit greatly from this suppressors modularity. Snipers Hide is a community of Snipers of all kinds, focusing on long range shooting, accuracy, and ballistics. Contrary to the term, silencers do not completely silence a firearm. While the peak sound pressure is lower in this test, the impulse is significantly lower than measured in the .308 test. While it is a reduction of almost 25 dB, the sound of a suppressed .308 load will still result in hearing damage if additional ear protection is not worn. Wilson 300 HAMr (HAMR) twist rate for subsonic? Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. Then, we test fired five rounds suppressed and three unsuppressed with each brand of ammo to find an average dB level. That's an average reduction of 36dB between the unsuppressed and suppressed shots.

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