The 300 Blackout is one of the most powerful firearms in the shooting world, so don’t be surprised by the repeated blast and loud sound.
Luckily, a suppressor can reduce the number of decibels to prevent long-term ear damage.
After spending 28 hours out on the range, we’ve come up with this list of the best 300 Blackout suppressors for dampening the sound. Of course, we recommend you check out your local laws first.
Table of Contents
- 1 Top 7 300 Blackout Suppressors in 2021
- 2 Factors to Consider
- 3 Is A Firearm Suppressor for 300 BLK Legal?
- 4 Are Suppressors and Silencers The Same?
- 5 FAQs
- 6 And the #1 300 Blackout Suppressor is...
Top 7 300 Blackout Suppressors in 2021
1. Helix IFM7 Suppressor
The Helix IFM7 Suppressor is one of the best 300 Blackout suppressors based on our test. It features a two-piece construction, allowing easier and more comprehensive routine maintenance of your gun. This Helix suppressor is manufactured out of titanium, stainless steel, aluminum, and cobalt that can outright battle any abuse.
The Helix IFM7 suppressor is also rated at a 135dB reduction for either supersonic or subsonic ammunition. It weighs 24.9 ounces with an overall length of about 8 inches, making it one of the most durable silencers on this list. With its integrated flush mount system, it can easily regulate backpressure for flash and sound reduction.
2. Silencerco Saker 7.62mm
The Silencerco Saker 7.62mm is also one of the top suppressors that offer an Active Spring Retention (ASR) System. This system makes this high-quality suppressor compatible with various muzzle brakes, flash hiders, and direct-thread mounts.
This 300 AAC Suppressor is constructed from a Stellite cobalt-chromium alloy and stainless steel, providing optimum corrosion resistance. It also sports an angled Hoplon baffle design that redirects gas to the outside of the baffles to reduce carbon fouling.
Lastly, this model is also rated for full-auto fire and resilient in semi-auto operation. However, this suppressor measures 10 inches long, making it ideal for short-barreled rifles only.
3. Specwar 762
The Specwar 762 is a 300 AAC suppressor that quickly and easily mounts SilencerCo’s patented ASR mounting system. It also ensures repeatable POI shift at an affordable rate.
This suppressor is also full-auto rated like most 300 blackout rifle silencers. It uses a patented Active Spring Retention ASR™ mounting system for solid trouble-free lockup, making installation and removal of this unit easier.
As one of the best 300 Blackout suppressors on the market today, Specwar 762 features a durable Stellite baffle stack and minimal point of impact shift. It can handle from 5.56mm rifle to .300 Ultra Mag rifle, from full-auto rated to precision and long-range shooting.
4. Thunder Beast Ultra 5
The Thunder Beast Ultra 5 300 Blackout suppressor is a lightweight, precision rifle suppressor. Its remarkable 5” compactness offers shooters a premium .30 caliber option when minimum size is essential.
This 300 Blackout suppressor is also crafted with lightweight titanium that weighs a mere 7.6 ounces, increasing its overall maneuverability. Also, this suppressor is also CB designated, which refers to Thunder Beast’s compact mount for muzzle brakes—a thread over muzzle brake-type setup.
5. AAC 762-SD
The Advanced Armament AAC 762-SD is a CNC machined aluminum suppressor that comes with the tightest metaphorical grouping of quality, price range, function, and longevity.
This Advanced Armament Corp (AAC) silencer is rated 30-33dB and effectively reduces noise. Its machined-fit threading at ⅝-24 is consistent and tight, making it an excellent recoil compensator.
The AAC 762-SD only weighs 22.4 oz of aluminum, making it lightweight and more affordable, almost less than other models’ price. However, this silencer is long enough to add more overall length to your gun’s barrel.
6. Surefire SOCOM 7.62-RC2 Suppressor
The Surefire SOCOM 7.62-RC2 Suppressor reduces the sound signature even without ear protection. This suppressor is also compatible with most Surefire SOCOM suppressor adaptors. Therefore, you can mount this suppressor over a flash hider or muzzle brake using a Surefire muzzle device.
This muzzle device/suppressor is just 8.4 inches long and has a quick detach/fast attach system that minimizes the shift in point-of-impact. This suppressor is best for rifles with longer barrels as it helps retain the organic precision, even during a suppressed fire.
7. Silencerco - Omega Suppressor
The Silencerco – Omega Suppressor is a 300 BLK suppressor that caters to 5.56 mm NATO, 300 AAC Blackout, 300 Winchester Magnum, and 7.62 mm NATO rifle.
It is manufactured out of stainless titanium, steel, and Stellite, making it a steely-spined silencer always ready to battle mishandling at all costs. It also comes with an included quick-release thread mount, allowing a faster and easier breakdown or swap.
It features an anchor break that knocks recoil down considerably. This top-grade silencer also weighs 14 oz and has one of the shortest cans on this list. This means that it won’t add much length to your gun’s barrel. And according to Silencerco, this silencer muzzle device reduces sound up to 119dB when used with a 300 AAC Blackout cartridge.
Factors to Consider
If you are looking for the top 300 Blackout suppressor, you’ll want to consider how much money you are willing to spend. You need to determine the price range of silencers and try to stay in that price range as much as possible.
Going beyond this price range may be economically enticing, but you need to weigh whether a low price is worth the rave, or you’ll only end up spending more for cheapskates.
Titanium is one of the strongest metals in the world. Not only is its tension strength hard, but the metal also retains some flexibility. This makes it one of the perfect metals to use in many different industries. Using a titanium alloy retains some of the strength of titanium without the high cost. 
Therefore, make sure to look for silencers made of titanium alloys, stainless steel titanium, aluminum, and other lightweight and solid materials. Remember, you’ll want top-tier quality silencers because it will determine how long it will serve your guns.
As mentioned earlier, titanium offers excellent erosion resistance. You’ll want a suppressor or muzzle brake with high-quality materials that can withstand heat, damages, and other abrasive materials. You need to find materials that can battle rust and abuse.
Sand and water usually make these units rust easily. Still, if the suppressor you purchased is made of titanium, you need not worry about getting another because it provides high erosion and oxide resistance. You can put this to good use for a long time.
Spending an ample amount of time checking out the materials (titanium, steel, cobalt chromium alloy, etc) used in a suppressor should be on top of your checklist. It is a no-brainer to know that materials determine their level of quality and durability. Silencers often take severe beatings when a rifle is fired, so looking for the ability to resist any rust, damage, or erosion is needed. Learn how to properly clean your muzzleloader here.
The 300 Blackout rifle caliber is powerful—offering subsonic ammunition and supersonic capabilities. While it is understandably enticing to fire powerful ammunition, they also give off a noise that, if left untreated, can damage your ears.
It shouldn’t be surprising to know that you’ll want to find a 300 Blackout suppressor that will keep the noise levels of your gun below 140 decibels. It would protect your hearing and make your shots more accurate for controlling its recoil.
Installing 300 Blackout rifle suppressors to your rifle could be a hassle, so you also need to consider how easy, or compatible your suppressor is with your gun’s mount. You can also attach a suppressor to a non-threaded barrel. Based on experience, having a suppressor that does not require tools or the skills of a professional gunsmith is ideal.
The ability of the best 300 Blackout rifle suppressor to reduce noise levels and recoil determines its accuracy level.
As we all know, recoil makes every shot shaky, as its powerful drawbacks might make the shooter’s hands shaky while firing.
Hence, you’ll want a quieter suppressor because the quieter it is, the more accurate the shot will be.
You need to consider looking for a silencer that can reduce recoil significantly, as it affects the accuracy of your gun’s shot. They also help decrease muzzle flinch, resulting in more improved accuracy, better shot placement, and more humane hunts. The lesser drawback, the more shooter-friendly your rifle will become. For your 300 BLK (short barrel rifle), check out these suppressors.
After extensive research about the best 300 BLK suppressors on the market, we discovered that most customers like these units because they are quiet, durable, and easy to use. The longevity, durability, functionality, and affordability of these units are enticingly admirable and what most users are looking for. Find out what’s our top 4 muzzle brakes for 458 SOCOM.
Is A Firearm Suppressor for 300 BLK Legal?
All firearm suppressors are legal depending on the state you live in. As of this writing, 42 states consider suppressors legal, while eight states prohibit the use of these accessories in their area.
The states that prohibit gun suppressors are California, Illinois, Delaware, Hawaii, Massachusetts, New Jersey, New York, and Rhode Island. However, even though your state allows the use of suppressors, it is still safer and absolutely wiser to double-check the rules and regulations.
Are Suppressors and Silencers The Same?
Suppressors and silencers are practically the same. They only differ in name. Simply put, a suppressor is more so a technical term, while the silencer is more of a legal way of calling it. Looking at it, you can use both or use whatever you like to use. It may also depend on where you stay or live.
And the #1 300 Blackout Suppressor is...
Based on our tests, we think the best 300 Blackout suppressor is the Helix IFM7. It is durable, has excellent noise reduction, and easy to use. We like how this gun suppressor is made of stainless steel, titanium, cobalt, and aluminum to provide a longer life span and more resistance to erosion and abuse.
This suppressor is also more compact, making it best as an added accessory without affecting its overall weight and length. It also features a two-piece build for easy cleaning and maintenance.
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