Subsonic 9mm decibels. The data I’ve found online is all over the place.

Subsonic 9mm decibels Ammunition Brand Comparisons Top ammo makers always do well in our tests. The quality of the powder and bullet weight really matters. 45 ACP’s 157-162 dB average. 45 caliber and the 9mm. 45 ACP as we did with 9mm. 56 NATO discharge by an average of 34 dB. Apr 7, 2021 · Because of the popularity of 9mm ammo, however, there are a number of special 9mm loads that are designed to be subsonic. Mar 25, 2025 · Discover how much suppressors typically reduce firearm noise, the science behind decibel ratings & sound reduction, and why they're rarely as silent as portrayed in movies. This showcases the dual purpose of the round. 2 dB in the long configuration. In addition to being one of the quietest suppressors on the market, the SR5 is incredibly easy to use. 308 rifle: 156 decibels A . For 300 BLK subsonic rounds, it is even rated for full-auto fire. I am thinking either a glock 19 9mm or Glock 21 45acp Which would you pick and why? i don’t care about cost of ammo fyi or versatility this has one job, nightstand gun. 3 Suppression Rating Comparison (Subsonic 9x19mm from the HK P30L) Figure 9 presents a comparison of the PEW Science Suppression Ratings of the Dead Air Mojave 9 in both its long and short configurations with other silencers on the full-size HK P30L semiautomatic pistol using subsonic Speer Lawman 147gr 9mm ammunition. Can I use subsonic ammunition in a . 9mm rounds tend to be around 150 to 160dB, placing them slightly below . Aug 10, 2009 · I was wondering if you take a MP5 -N with a supressor and fire subsonic ammo, is this just as quite as a MP5 SD. They tested the suppressor on an AR-style 9mm pistol and used subsonic ammo. Half the sound of a pnematic roofing nail gun. 357 Magnum or . William Clark and Dr. 5K subscribers Subscribe Dec 18, 2019 · Looking to get a 300 blackout upper and run some subsonic ammo. What are the advantages of using a suppressor with a . Silencer was a Dead Air Ghost-M, shot dry and without a wipe. 6 inches in length. Figure 9. That’s an average reduction of 34 dB when using a silencer with a 9mm firearm. Long Jan 26, 2024 · While subsonic 9mm rounds can be used in most 9mm firearms, it’s important to ensure compatibility, particularly in semi-automatic firearms, to avoid cycling issues. Special shoutout to the Silencer Co and Copper Custom online store, check it out! Mar 11, 2021 · We discuss low-velocity subsonic ammo to reduce sonic boom and hearing loss. I said my 9mm suppressor sounded like a stapler so I thought I'd do a couple of vids comparing them. The faster the Aug 6, 2017 · Small subsonic loads, like a 40gr . How much quieter are subsonic 9mm over supersonic?! Opie In The Smokies 15. In terms of noise reduction, the Spectre 9 was noticeably quieter than shooting unsuppressed, registering 132 decibels at the muzzle. 22 rifles and is a great option for reducing noise levels, particularly in hunting and target shooting scenarios. Jun 13, 2025 · Pair a 147-grain subsonic 9mm round with your chosen handgun and the Spectre 9, and you’ve got an extremely quiet combination that’s perfectly suited for home defense. 37-inch diameter and is 7. In the long configuration, it weighs only 11 ounces, and it does a great job suppressing the . suppressors, laws involved to buy one as well as field testing to compare noise levels when using a silencer. Subsonic ammunition is also ideal for shooting with a suppressor which will further reduce decibel levels when compared to shooting supersonic ammunition through a suppressor or non-suppressed. 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. The Apr 4, 2015 · Brand: FiocchiModel: Range DynamicsCaliber: 9mm LugerBullet Type: Full Metal JacketBullet Weight: 158 grCasing Material: BrassMuzzle Velocity: 850 fpsRounds Per Box: 50 Supersonic vs. Lower Recoil The slower speed often results in less recoil Dec 11, 2020 · Accurate sound-measuring equipment is cost-prohibitive for average folks like me, so I can’t list the actual reductions in sound using Hornady’s Subsonic ammunition. 300blk sub will likely be slightly louder than a 9mm sub, assuming similar barrel lengths. Suppressors are more effective on subsonic rounds like . Quick demonstration of supersonic vs subsonic ammo in both unsuppressed and suppressed configurations. 22 Jul 17, 2023 · Read our guide to the loudest guns, what affects the noise level of guns, and how to protect your hearing while shooting. Apr 24, 2025 · Learn all the ins and outs of subsonic ammo in this guide! You can learn when all about the pros and cons and when to use it at OpticsPlanet. However, the precise loudness can vary based on factors such as the specific firearm, ammunition type, and environmental conditions. See full list on silencercentral. Osprey 9K Caliber Compatibility: 9mm & . Possibly doing a form 1 can from quietbore for a dedicated can on my extar ep9 in the future. Below 140 decibels is considered hearing safe. The advantage of . 45 ACP quieter than a suppressed 9mm? Generally, yes. 45 ACP pistol: 157 decibels A 30. 45 ACP gunshot typically ranges from 157 to 160 dB without a suppressor. This is because they travel at velocities below the speed of sound (approximately 1125 feet per second, depending on atmospheric conditions), eliminating the sonic boom that contributes Mar 28, 2004 · Picked up a few boxes of 158 Grain Fiocchi 9mm from Ammo City Supply for about $19 a box. Here are the dB results! Nov 25, 2020 · Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Nov 14, 2021 · Want to get a handgun suppressed for home defense. Apr 23, 2021 · That’s an average reduction of 34 dB when using a silencer with a 9mm firearm. Jul 21, 2017 · Dakota Silencer company released an interesting Relative Sound Pressure Levels in Decibels (dB) of Firearms chart that shows the sound pressure levels of different firearms, including silenced weapons. Proponents of the 9mm swear that it’s much quieter when silenced. Unsuppressed . If you run a whole mag (or case) of subsonic 9mm through a silenced gun, you won’t ever need additional hearing protection. 56 Suppressor Advanced Armament Corp. Quiet operation thanks to subsonic loads: average 131-134 dB. 54″, we were still impressed with it being hearing safe using subsonic ammo. While still loud enough to cause hearing damage, the reduction is noticeable. Subsonic Handgun utilizes tried‑and‑true XTP® bullets that expand reliably at subsonic velocities. If the consensus is that a suppressor makes 9mm hearing safe (regardless of supersonic vs subsonic), then that's the answer to my question. How does it do as a 9mm PCC suppressor? Is the Wolfman the best 9mm MP5 suppressor? How quite is the SP5 with a silencer? What is the best silencer for the HK MP5? Is the Wolfman quieter than the PTR VENT 2, CAT MOB, or GSL? Sep 12, 2024 · What is the average decibel level of a 9mm gunshot? The average decibel level of a 9mm gunshot typically ranges from 150-155 dB. This is excerpted from an infographic from Silencerco. Again, this is just an average and can fluctuate. A suppressed 9mm pistol can reduce the sound level to hearing safe levels. Feb 5, 2025 · 6. To my surprise a 12 ga 18" barrel shotgun is about the same as a 5" 9mm ~ 160 dB's. Jan 20, 2025 · For 9mm models, a reduction of 20–35 decibels is typical. com Use the gun decibel charts below, based on research by Dr. As a comparison, 142 db is about the same level as a firecracker going off, and that level of noise can harm your hearing. Dec 1, 2023 · 9mm, . May 7, 2025 · How Quiet is a Suppressed 9mm? A suppressed 9mm firearm can be incredibly quiet when using the right ammo load and suppressor combination. Subsonic ammunition Bullets traveling faster than around 1050 feet per second (fps) are supersonic, and will have a 140 decibel boom when fired. ’s SR5 suppressor reduces the noise of a 5. 06 rifle: 159 decibels A 9mm pistol: 160 decibels A . The unsuppressed MP5 registered an average 160-163dB, compared to the unsuppressed Glock 19, with an ear-splitting average of 165-167 dB. Jan 6, 2022 · SilencerCo Omega 9K on a Q mini FIX 300 BLK with 8-in Barrel The Omega 9K is manufactured by SilencerCo. 3 dB in . 22 emits about 120 sound decibels, a 9mm produces up to 160 because a . 300 Blackout ammo in a suppressed PDW by decibel testing different . 45 ACP, as they eliminate the sonic boom. Mar 21, 2025 · According to Silencer Shop, the Wolfman reduces noise by 22. While a . Considerations are accuracy, recoil, follow-up shots, feeding, and cycling. Compare velocity, ballistics, sound reduction, and costs. Apr 2, 2025 · Dead Air Wolfman Silencer Test with back pressure data. Jan 19, 2025 · 9mm Subsonic: The Compact Contender The 9mm Luger, a ubiquitous handgun cartridge, has gained popularity in subsonic applications for its ease of use, readily available ammunition, and relatively low recoil. 300 BLK loads at the range. No Oct 29, 2024 · How Much Quieter is Subsonic Ammo? Subsonic ammunition is significantly quieter than its supersonic counterpart, primarily because it eliminates the sonic boom created by bullets traveling faster than the speed of sound. Sonic Boom When a bullet travels through the air it creates two pressure waves – one at the tip of the projectile and one at the base. 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. I thought initially that the Hush 165gr rounds were the quietest, but with further comparison, it seems Jul 30, 2022 · Any good recommendations on subsonic 9mm for running the sp5/mp5 and clones? AE 147 gr is dirty and loud according to some searching. The Spectre 9 offers one of the best blends of performance and size on the market, keeping things light without sacrificing strength. 45 as quieter. 22 has smaller rounds than a 9mm. Dec 18, 2024 · Advantages of Subsonic Ammo Reduced Noise Subsonic ammo produces less noise, making it ideal for shooting in noise-sensitive environments. 2 dB for 9mm and 131. It is a 9mm centerfire pistol silencer, intended to suppress many cartridges with projectiles appropriately sized to travel through the bore, up to and including subsonic 300BLK. 2. It brings the levels down for 9mm rounds to 132 decibels at the ear. Are there legal restrictions on using subsonic 9mm ammo? Legal restrictions mainly pertain to the use of suppressors with subsonic ammo. The only practical way to eliminate the boom is to use subsonic ammo. May 19, 2023 · A 12-gauge shotgun or . I know subsonic 350 legend rounds still have enough energy to kill a deer but I can't find anything about their decibel levels when not shot through a suppressor. Oct 15, 2019 · A complete guide to subsonic ammo including what it is, how it work and a listing of some of the in-stock ammunition for suppressors. 22LR cartridge generates a noise level of around 140 dB, comparable to a jet engine at close range. Apr 23, 2025 · What is the quietest 9mm suppressor? Which silencer has the quietest first round pop? Which suppressor has the lowest dB? Which MP5 silencer is the quietest? Is the Dead Air Wolfman quieter than CAT MOB? Is the Otter Creek Labs Lithium a quieter than a PTR VENT 2? Does tone matter? How do the silencers sound? Are flow-through silencers loud? Are conventional baffle silencers quieter? Super Suppressed ammunition is optimized for firearms equipped with suppressors. 45 ACP typically produces a more substantial report due to its larger caliber and heavier bullet. It was downright pleasant. Higher decibel reduction ratings indicate better performance, though other factors like barrel length and ammunition type also influence the overall noise level. The silencer Jul 26, 2025 · This speed helps the best subsonic suppressors work their best. 7 inches in length. The data I’ve found online is all over the place. Does the type of . SilencerCo’s data, which I trust are correct, list average muzzle report measurements of 125. 22? A . Compare Hornady, SIG, Federal, Seismic loads — learn velocities, best uses, and host tuning tips. Sep 20, 2022 · The sound difference to the human ear between a 9mm supersonic round using a 115-grain bullet vs. The gun community is very much divided between the . 44 Magnum revolver: 164 decibels As you can see, firearms are very loud, which we already knew. Conclusion This is a manageable, even holster-able, 10. Ear protection is still recommended, even with subsonic 9mm rounds, but the lower powder charge of the naturally subsonic . Now that means little to me, so I looked it up. ’ Measuring in decibels (dB), the sound of a firearm can range from around 140 dB for smaller rounds like . The use and ownership of suppressors across the United States is growing in popularity. Typically, silencers possessing a high flow rate also possess lower sound suppression performance with subsonic ammunition and potentially lower bystander suppression performance, in general. You just have to look at the specs on the web or the box to see how fast the rounds are traveling. Can sound levels vary based on the firearm used? Jun 2, 2025 · The BANISH 45 is made using aluminum baffles with a titanium body. Using subsonic ammo can lower the sound by 8-12 decibels compared to supersonic ammo. Jun 14, 2016 · A sub 90 decibel 9mm suppressor for a pistol. This is a big win for hearing protection and being stealthy. Extremely quiet out of my Sig Mod X 45. Aug 16, 2022 · Find the best 9mm subsonic ammo for suppressed pistols and PCCs. Not really the same animal, IMO Find HUSH 9mm Luger and other subsonic calibers from Freedom Munitions today. However, while ‘quieter’ is relative, understanding the decibel levels and factors influencing them is crucial for responsible gun ownership and Feb 19, 2025 · What do gun shots sound like, and how many decibels is a gunshot? See gunshot dB by caliber, the loudest guns, and how suppressors make shooting safer. 45 ACP Compared to 9mm? In general, a . Once converted to the shortened configuration, trimming it down to 9. Regular exposure to sounds above 85 decibels can lead to permanent hearing damage. The handgun round pushes velocities below the speed of sound, which produce lower decibel levels. Telling me there are bigger problems in the world is obvious and irrelevant. Decibels (Db) Pressures in Pascals are numbers Decibels are a ratio of pressures Apr 19, 2011 · I'm curious how much sound reduction there is between supersonic and subsonic 9mm rounds fired from a Glock pistol such as the 17 or 34 without a suppressor. Material and Construction The materials used in suppressor construction directly affect their durability, weight, and cost. What is the decibel level of a 9mm gunshot? The decibel level of a 9mm gunshot typically ranges from 160 to 165 dB without a suppressor. Sep 21, 2017 · Suppressors reduce the sound of shot by an average of about 30 dB (decibels), but they do nothing to reduce the sonic boom that a bullet makes as it flies through the air. Sep 23, 2024 · The Spectre 9 is completely constructed from titanium and is rated for 9mm and subsonic . threaded barrel. Mar 20, 2024 · How Loud Are Different Calibers? The loudness of different calibers varies significantly, ranging from relatively mild ‘pops’ to deafening, potentially damaging ‘booms. The 90 Tooth Ratchet Taper™ fast May 20, 2020 · The subsonic 300 Blackout loads are often compared to 45 ACP, 10 mm or 9mm subsonic rounds. PEW Science test data with PEW-SOFT is the most accurate suppressor test data available. Fired it through a Stribog SPA3 with a 1/2×28 adapter. CZ P10CRugged Obsidian 9 (regular length)115gr Blazer1 Oct 15, 2024 · Understanding Subsonic 9mm Ammunition: A Complete Guide Subsonic 9mm ammo is generally defined as ammunition with a muzzle velocity below the speed of sound, which is approximately 1,125 feet per second (fps) at sea level and standard atmospheric conditions. Here are ten things you should know. Which 9mm suppressor is the quietest? We tested the most popular pistol suppressors under the same conditions. 4 in the full-size configuration. 22 caliber bullet is quieter than a 9mm, the most common firearm round. As someone who has spent countless hours testing and evaluating suppressors across multiple platforms, I’ve learned that decibel reduction is more nuanced than many realize. Jun 12, 2019 · Subsonic velocities with cheap standard 9mm ammo (don't need to buy subs) since it uses porting like the HK MP5SD. 300 BLK shooting rapid-fire subsonic ammo and slower-fired supersonic ammo. Jul 18, 2024 · The subsonic 300 Blackout loads are often compared to . Jun 25, 2025 · We take a look at the quietest . 300 BLK Subsonic Sold Out The most iconic suppressor on the market just got uh… more…uh average sized? Feb 9, 2023 · The best pistol caliber to suppress is the . Apr 20, 2021 · There often confusion about what subsonic ammo can do, and what it's best used for. How feasible is that? A foreign gunsmith has claimed that he has designed a 9mm screw on can that will suppress a full powered 9mm round from a 1911 to a suppressed sound level of 80-90 decibels. 4 in. I have not seen a center fire can meter at Oct 10, 2024 · The decibel level of a . May 19, 2025 · What is the quietest 9mm suppressor? The SilencerCo Osprey 9 is the quietest 9mm suppressor sounding off at 127 dB with standard 9mm ammunition and 121 decibels with subsonic ammunition. Aug 21, 2020 · I am using a B&T suppressor on a factory MP5. This Aug 14, 2024 · Is your defense ammo up to the task? See why HOP Munitions’ 147-grain subsonic 9mm rounds are the best for reliability, control, and stopping power. A 9mm out of a 5" barrel generates 160 dB. This means that the bullet leaves the firearm’s barrel at a speed slower than the speed at which sound travels through the air. Loaded for 850 FPS. Nov 9, 2017 · Though firearm-mounted sound suppressors significantly reduce the ear-damaging noise of supersonic ammunition, maximum benefit from their use is achieved through the use of subsonic loads; in fact What is the quietest silencer for your suppressed firearm? The quietest suppressor for your use case is listed on this page with detailed links to the Silencer Sound Standard test data. Mar 1, 2025 · The world of firearm suppressors is filled with technical specifications and marketing claims, but understanding decibel ratings and their real-world implications can feel like decoding a complex puzzle. What about 16" carbine barrels? I always use hearing protection, but I was wondering about home protection. When setup for 9mm, it is very quiet at 36 decibels depending upon ammo choice. May 20, 2015 · Interesting, that by Mike's dB chart, the 9mm is almost 5 dB louder than the . Why do you want one? The key feature to the BANISH 45 is Nov 19, 2014 · No luck with google. Most 9mm suppressors lower decibels to the 130s. 22″ bullet leaving a suppressed rifle muzzle at just 1000fps, make peak sound levels that are roughly the same as manually cycling the bolt of the gun shooting them: about 120dB. It compares well to the subsonic 9mm caliber and is much easier to find. The silencer Speed has a significant effect on noise/loudness, comparing fast subsonic to slow subsonic. Also it seems like you would have better velocity from the supressed MP5 with subsonic ammo vrs the MP5 SD? Oct 6, 2006 · Which is "louder" 9mm or . Quietest 5. 45 rounds are subsonic, which are easily suppressible. Jun 6, 2025 · Finding the quietest load for your suppressed set up can be tricky and costly, so we rented a decibel reader and hit the range with 15 different subsonic 9mm loads. Aug 20, 2015 · Sub sonic 9mm from carbine The Art of the Rifle: Semi-automatics. Sep 17, 2024 · However, 9mm subsonic ammo paired with a suppressor can often reduce the noise level by 20-30 decibels or more, making it significantly quieter than standard 9mm rounds. 5-inch diameter and is 4. Combining subsonic ammunition with a silencer reduces the decibel level of live fire even more than the silencer does on its own with standard ammo. The average un-suppressed 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 Winchester Super Suppressed line of handgun ammunition offers clean and reliable performance and is engineered for noise reduction, decreased barrel/suppressor fouling and recoil mitigation. Real sound signature data with the Suppression Rating from PEW Science. Whether enjoyed in bulk for savings or specific batches for precision needs, this Fiocchi ammo stands ready to meet your shooting endeavors. What the point of a subsonic 9mm for defense over the 45 is I don't know, a smaller lighter bullet going at the same speed as a 45. They have a much reduced powder load versus a normal hunting round so they must be quieter, but how much? Anyone have any experience experimenting with this? We would like to show you a description here but the site won’t allow us. In this video, we primarily demonstrated 300 Blackout performances due to user requests. Apr 26, 2022 · How loud is a 9mm vs. Unsuppressed, your standard 9mm cartridge produces around 150 to 160 decibels after firing, but with a suppressor, it can be as low as 120 to 125 decibels. 45 ACP ammo affect the noise level? Aug 25, 2024 · Why Use Subsonic 9mm Ammo? Subsonic 9mm ammunition offers a significant reduction in noise when paired with a suppressor, making it a crucial choice for situations prioritizing sound discipline. (Without a suppressor the same loads meter about 148dB. 45 ACP is marginally louder than a 9mm. If you start to push 9mm closer to the speed of sound and run . Subsonic 9mm Ammo Test Results This gets asked fairly often, so I figured I'd do a side-by-side comparison of several types of subsonic 9mm ammo and report back. It has a 1. While not inherently designed for subsonic operation, several manufacturers produce dedicated subsonic 9mm loads featuring heavier bullets and reduced powder charges. Has anybody performed any sorts of comparisons with dB gear to see what sort of difference might exist? My thoughts recently have been Will they still be able to hear me shooting suppressed 9mm pistols if I use subsonic ammo if they are outside? Will they easily recognise it as gunfire? How loud would it be for them at that distance? Edit: Thinking CGS mod 9 for various pistols. 32 ACP ammo in the Tomcat made hearing protection unnecessary. Factors influencing noise reduction include: Ammunition Type: Subsonic ammo is quieter because it eliminates the sonic crack. You don't think I realize cancer and world hunger are bigger problems than minor hearing damage? It's irrelevant tho. 3. This product is The use of subsonic ammunition in the MP5SD will not result in an appreciable increase in the sound reduction of the weapon (only about 1 dB in fact) . Don't miss out on quiet-shooting 9mm ammo. Direct blowback gas systems such as those used with pistol caliber firearms (ie 9mm, . Compared to 556 and 9mm ar15s, how loud is an unsupprssed 300 subsonic? Aug 12, 2016 · That's smart thinking, but the supersonic crack is tiny compared to the "uncorking" noise: supersonic 9mm produces roughly 155-160dB from a handgun, and subsonic produces roughly 150-155dB, only sparing you 5-10dB. Jul 14, 2024 · While the exact decibel levels can vary depending on the specific ammunition and firearm, . Jul 11, 2025 · Discover how subsonic ammo works with suppressors for hunting and home defense. Subsonic ammunition is the quietest option for the . Consistent performace and exceptional accuracy is backed by generations of Winchester legendary excellence. 45 ACP, 10 mm or 9mm subsonic rounds. Is a suppressed . Check out the video and you can hear a significant difference in the sound from no suppressor to Obsidian9 K and then to Obsidian9 full. Does bullet weight affect the noise level? Yes, bullet weight can indirectly affect the noise level. The BANISH 9K is so light that you don't need a Nielsen Device for your pistol to function properly. Specifically, rounds with a bullet weight of 147 grains or heavier generally perform best. slightly higher grain weight smaller diameter non-expanding solid from a 300BLK. Inquiring minds want to know!😎 We would like to show you a description here but the site won’t allow us. 22 Long Rifle, producing around 120 dB and traveling below the speed of sound. 140dB is the threshold for hearing loss from impulse sound, and since the decibel is a logarithmic scale, even the best-case scenario of 150dB with subsonic 9mm will still be ten Silencer Central - Silencers Made Simple Since 2005 Nov 11, 2019 · Maybe my hearing is shot but all of my 9mm cans and good 147gn subsonic are VERY quiet and pleasant to the ear. Its small size and relatively light weight make it a superior choice for everything from tactical training to hunting. Both cartridges produce sound levels that are well above the threshold for hearing damage, typically around 140-160 dB. Beyond noise reduction, it provides a unique balance of manageable recoil, adequate terminal ballistics, and versatility in specific operational contexts where signature management is paramount Sep 17, 2024 · However, 9mm subsonic ammo paired with a suppressor can often reduce the noise level by 20-30 decibels or more, making it significantly quieter than standard 9mm rounds. 45 ACP using the Osprey 45 suppressor. 22 rifle? Yes, subsonic ammunition can be used in most . Some are better than others, but subsonic 300blk and 9mm can penetrate pretty severely when compared to some lighter and faster options. Hearing Safe determinations for your use case. Jul 30, 2024 · How Loud Is a . a . 5 dB in the short form, and to 121. I have tried Hush 165gr rounds by Freedom Munitions, GTG 147gr rounds, Fenix 147gr rounds, IMI 158gr rounds, and American Eagle Subsonic rounds. Host was an HK P30 with a factory 4. Dec 19, 2017 · In terms of hunting (or self defense) I question if either variants in subsonic form are really the best choice and further to that end if subsonic 147gr 9mm self defense/expanding HP ammo may be just as real world effective against a medium size game animal vs. The . With a suppressor, subsonic 9mm ammunition can be reduced to as low as 110-120 dB, or even lower with some setups. Dec 4, 2024 · What 9mm Ammo Works Best Suppressed? The absolute best 9mm ammo for suppressed firearms is subsonic ammunition. But as we said, decibels increase logarithmically. But what sets these two types of ammo apart when firing a firearm? Let's take a look. Oct 2, 2024 · How Loud is Subsonic Ammo? Unveiling the Decibel Secrets Subsonic ammunition, designed to travel slower than the speed of sound, significantly reduces the sonic boom characteristic of supersonic rounds, resulting in a quieter shooting experience. May 18, 2008 · One thing to remember though, the MP5 with a can is shooting subsonic 9mm 147 grn and the MP5SD shoots 115s brought down to subsonic by a ported barrel system. I have no problems shooting all day with subsonic 9mm through a can. Cheaper than a lot of other folks right Its subsonic nature, paired with the full metal jacket bullet, ensures reliable operation and cycling in a wide range of 9mm firearms. Typically, a standard . Click to download a detailed PDF chart of gunshot decibels. I know subsonic ammo is good for suppressors, but how much impact does it have without one? Thanks! Unsurpressed, subsonic 9mm rounds produce around 135-140 decibels, slightly lower than standard 9mm loads. Jun 27, 2019 · A Complete Silencer Guide: silencers vs. Dec 3, 2024 · Subsonic 9mm ammunition, without a suppressor, typically produces noise levels in the range of 130-145 dB. As a result, the kinetic energy it possesses when fired isn’t as much, resulting in less noise. 40S&W, 10mm, 45ACP) are pretty forgiving when it comes to cycling reliability using subsonic ammo. From a decibel and hearing loss standpoint, how much different is a 124g SuperSonic vs 147g subsonic load? Technically, is 45ACP even “quieter”. 177. a subsonic round loaded with a 147-grain bullet or heavier will be for the most part, unnoticeable. It is a 9mm centerfire pistol silencer, intended to suppress many cartridges with projectiles appropriately sized to travel through the bore, including subsonic and supersonic 300 BLK from barrels as short as 8 inches. 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. Offering clean and reliable performance, the Super Suppressed line is engineered for noise reduction, decreased barrel/suppressor fouling and recoil mitigation. 1 dB in the short configuration and l2. Both Jan 31, 2025 · Another consideration when shooting subsonic ammunition in a “gas gun” is cycling reliability. Not to mention suppressor design, lockup/delay/port pop that can all make one system sound louder than another. 45 ACP We saw comparable results for . 45 caliber. Remember, that decibels are logarithmic, so that is close to quadruple the ear damage. Sep 11, 2019 · As the nation’s largest silencer dealer, we are often asked: “how loud is a gunshot?” The next question is often “how loud is a gunshot with a silencer?” To answer these questions, Nov 23, 2020 · A typical 9mm pistol report runs around 160 dB. Rugged has published that you can expect suppression to 135. I prefer HST. 45 ACP, a round that is already subsonic. 75″ overall length package several inches shorter than a pistol with a 9mm suppressor on it, so we were perfectly content with picking up a few decibels. Slower bullets won't. The Sub‑X bullet used in Subsonic Rifle features a lead core. 9mm supersonic vs subsonic - any real world noise difference? Hello all, I'm about to buy a box of federal HST for carry in my Glock 43 and am on the fence between the 124gr and 147gr. ) Is Barrel Length Still a Factor with Suppressors? Yes. 45 ACP, and even . This guide This is truly a "handy" length, and with "low-blast-subsonic" ammo such as "HUSH" or "STELTH", the muzzle and ear dB levels are under 140 dB! To put it a different way, do you hate that 9mm cans almost always sound louder than you want them to? And that they're huge? This one will change your mind. Seismic is appealing mostly because it's subsonic, and thus not as loud as supersonic ammo, and should I ever have to use my firearm without hearing protection, I don't wanna permanently fuck my ears - or at least fuck them as little as possible. We gathered the best 9mm subsonic ammo for your suppressor in one easy-to-read article. With a suppressor, the sound can drop to 125-130 decibels, depending on firearm and suppressor configuration, just above the OSHA threshold for hearing damage. 22 LR are all prime candidates for subsonic ammunition. The takeaway: silencers/suppressors… Dec 9, 2023 · There was a thread on here and several people were asking about how loud suppressors were. 45 acp? Handguns: The Semi-automatic Forum The Vanquish zero baffle design keeps 115 grain subsonic, resulting in no first round pop, easy maintenance and never a baffle strike! Jan 4, 2010 · Anyone know if there is any db difference shooting a 9mm out of a 45 can? I have fired 6mm out of a 30 cal can and my untrained ears have little to no difference. Apr 28, 2015 · Here’s a handy chart detailing the noise levels of silenced (aka “suppressed”) firearms. We would like to show you a description here but the site won’t allow us. Crucify me if you like, but responsible and controlled fire discipline is much more important. Jul 24, 2024 · However, subsonic ammunition has advantages for hunting or recreational shooting at the range, especially with a suppressed firearm. May 7, 2020 · CGS MOD9 FS on the HK P30L Full-Size Semiautomatic Pistol The MOD9 Full-Size (FS) is manufactured by CGS Group. Krammer, to compare noise levels by firearm type. 45. Jun 14, 2012 · Curiosity got to me last night, but all I can find is info on suppressed. The silencer mounts to the host firearm with an Nov 9, 2024 · Summary Omega 9k works well on both 9mm and 300 Blackout (subsonic and supersonic). All of the subsonic ammo in our test averaged around 142 decibels, which is right in-line with testing done by Larson-Davis themselves. Fiochii 158 gr seems Aug 27, 2025 · Their 9mm MP5 suppression performance provides an excellent case study comparing current 9mm MP5 silencer technology. 22 LR to over 175 dB for larger magnum rounds and shotguns, exceeding the threshold for immediate hearing damage Dec 6, 2014 · A truly silenced 9mm - what would it take? NFA Guns and Gear 9mm Luger 147 gr XTP ® Subsonic Item #90287 | 25/Box Shhh tell everyone! Hornady® Subsonic Ammunition — designed for accuracy and performance below the speed of sound — now comes in both rifle and handgun loads. Suppressed vs. A sub sonic 9mm I would venture is more quite, a 230 grain 45 ACP is already subsonic. Feb 21, 2023 · Statistically this is more of a mental exercise than anything else. 45 that is 800fps, you may notice the . This is because they travel at velocities below the speed of sound (approximately 1125 feet per second, depending on atmospheric conditions), eliminating the sonic boom that contributes Dec 4, 2024 · What 9mm Ammo Works Best Suppressed? The absolute best 9mm ammo for suppressed firearms is subsonic ammunition. All . It is a pistol caliber but when you are shooting subs it really doesn't make much of a difference. (no suppressor) How loud is it compared to a 22lr? Louder, same or quieter? Apr 30, 2025 · When it comes to shooting suppressed, the difference between subsonic ammo vs regular ammo can make a big difference. Speed has a significant effect on noise/loudness, comparing fast subsonic to slow subsonic. ifuzn pxfos xtv jebi zmljc pscagf mws lgqjw aldqxm fls bzw sgtowya ehhpj iwjhat qaqwz