5 Best .300 Blackout Suppressors & Silencers [May 2023]

If you are looking for the best .300 suppressors/silencers, you have come to the right place. In some cases, most rifles like .300 Blackout can be too loud, but this could be remedied by using a good quality suppressor.

Before we go into the list of the best .300 Blackout suppressors on the market, you should do some research if the suppressors are legal in your state.

SuppressorsNameEditor’s CommentRatingGet The Best Deal
Gemtech – GMT-.300BLK Suppressor

Most Recommended Option

1. Very silent
2. Reduces recoil considerably
3. Fits easily on all .300 Blackout Rifles

Operators Suppressor Systems – Helix IFM7 7.62 Direct Thread

Premium Option

1. Easy to install
2. Fit for most rifles
3. Reduces a good deal of noise

9.5/10SHOP NOW
Silencerco – Omega Suppressor Multi Caliber Quick Detach1. Extremely durable
2. Easy installation
3. Super quiet
9.5/10SHOP NOW
Silencerco Saker 7.62mm1. Compatible with a variety of flash hides
2. Reduces sound signature to hearing safe levels
3. Full-auto rated
8.5/10SHOP NOW
SIG Silencer SRD762-QD 7.62×51, Quick Detach1. Plenty of caliber options
2. Quick-release system
3. Short and light can
8.5/10Currently unavailable

Are 300 BLK suppressors/silencers legal?

The short answer to this question is that it depends on the state that you live in. For now, they are fully legal in 42 states, while the 8 states, namely: California, Hawaii, Illinois, New Jersey, Massachusetts, New York, Rhode Island, and Delaware ban the usage of suppressors.

Even if you find that your state allows the usage of suppressors, it might be a good idea for you to double-check with the relevant authorities.

Factors to consider when buying a .300 Blackout Silencer

When looking for a .300 Blackout Suppressor, you need to know what your personal needs and preferences are, as they would be essential in the decision-making process, just like any other times when you are choosing an accessory. Also, you should consider a few other factors besides your personal preferences which are just as essential.

If this is your first time buying a .300 Blackout suppressor, it might be a good idea for you to pay close attention to what you should be looking for.

Quality and construction

This is perhaps one of the most important factors to consider when looking for a.300 Blackout suppressor. The quality of a suppressor will largely depend on the materials that the suppressor is constructed from.

Most of the time, you will find materials such as titanium and/or steel to be used by most manufacturers. This is largely because these materials have proven over time that they can take some serious shootings before exposing themselves to any kind of corrosion or damage.

Installation process

This should be pretty obvious. In order for your suppressor to work, you’ve got to install them on the muzzle of your gun. Most products included here are easy to install and won’t require any kind of tools or a firearm expert to mount it on. Most of the products here are threaded to allow quick attachment and detachment.

Level of noise reduction

For suppressors, the rule of thumb is always ‘the lower the noise, the better’ as this should be the primary reason why you’re looking for a suppressor. You should look for a suppressor that is able to keep the noise of your gun below 140 decibels as at those levels, you can fire your .300 Blackout rifle without any ear protection.

That said, it’s always advised to use ear protection during extended shooting sessions with your .300 Blackout rifle, even with one of the best suppressors mounted on it.

5 Best Suppressors for .300 Blackout

Below, you will find the best .300 Blackout suppressors on the market. Prior to making a decision, you should always look up if your state legalizes the use of suppressors. Once you’re clear with that, you can check out the list below.

1. Gemtech – GMT-.300BLK Suppressor



  • Cartridge: 300 AAC Blackout
  • dB Reduction: 36dB-36dB
  • Diameter (in): 1.5
  • Finish: Flat Dark Earth
  • Full Auto Rated: No
  • Length: 6.7
  • Style: Direct Thread
  • Threads: 5/8-24
  • Weight: 14.0 oz
  • Made in the USA


From just a simple glance, you know that the Gemtech GMT .300 Blackout Suppressor is going to be super easy to assemble as it is an easy to install suppressor. Made in the USA, and constructed with a titanium G-core, this suppressor was made to last.

This suppressor will be able to provide a great deal of noise reduction that perhaps none of your shooting buddies is going to expect. With this suppressor mounted on your .300 Blackout Rifle, you will be getting the noise from your rifle down to only around 130 decibels, this means that you won’t have to worry about taking your ear protection around as you shoot.

Having been guaranteed by the manufacturer to bring the noise down right around 36 decibels, that is pretty impressive. Whether if you’re firing supersonic or subsonic .300 Blackout rounds, this suppressor will do the job for both.

If that is what you want, the Gemtech is the right suppressor for you. It doesn’t matter if you’re using it just for hunting and/or for mere home defense purposes, this suppressor will show its full potential when the situation warrants it.

With this suppressor, you’ll become a silent and deadly hunter of animals and/or any possible home invaders. Besides that, this suppressor also reduces your .300 Blackout rifle’s recoil by a significant amount. If you are suffering from shoulder sores caused by recoil, you will like this suppressor.

You will like this product if:

You want to shoot without ear protection. Having been guaranteed by the manufacturer itself to bring the noise from your .300 Blackout rifle to only around 36 decibels, you won’t need any ear protection while firing your .300 Blackout rifles. If you are shooting with your buddies, the noise level of your gun with this suppressor mounted on will surely amaze them.

You suffer from a sore shoulder. Many shooters suffer from sore shoulders due to the recoil after shooting for extended sessions. With the Gemtech GMT .300 Blackout suppressor, not only will it reduce the noise levels from your gun, it reduces the recoil significantly as well.

You might not like this product if:

You want an automatic fire-rated suppressor. Unfortunately, this suppressor isn’t automatic fire-rated. If that is the specs that you are looking for, this suppressor won’t be your best buy.

You have a tight budget. Available on Brownells.com for $899.99, this isn’t exactly the most affordable price tag for those that have a tighter budget. However, if you’re willing to spend a little more, this suppressor gets the job done and you will have no regrets.



2. Silencerco – Omega Suppressor Multi Caliber Quick Detach



  • Lightweight
  • Compact
  • Titanium
  • Full-auto and magnum rated
  • Integrated Anchor Brake
  • 5/8×24 direct thread mount
  • Compatible with 5.56mm NATO, .300 AAC Blackout, 300 Winchester Magnum, 7.62mm NATO


If you want great value for money, you should be looking at the Silencerco – Omega Suppressor Multi Caliber Quick Detach suppressor. As the name already says, this suppressor is designed for multiple calibers and can be easily and quickly detached.

This means that besides mounting it on your .300 Blackout rifle, you can also mount it on your 5.56mm NATO, 300 Winchester Magnum, and 7.62mm NATO rifles. If versatility and value are your utmost priority, you have it with the Omega.

Constructed from titanium, stainless steel, and stellite, you know that this suppressor was built by Omega to last. Aside from great durability and versatility, you will also have a suppressor that reduces the recoil by a significant amount thanks to the integrated anchor brake.

With the integrated anchor brake, you will no longer suffer from sore shoulders after an extended shooting session with your .300 Blackout rifle. Besides that, the integrated anchor brake also ensures that there are no muzzle jumps when you shoot, which leads to better control and accuracy for your .300 Blackout rifle.

Imagine shooting a rifle with little to no recoil and muzzle jump, who wouldn’t like that? If you are looking for a suppressor that has muzzle braking features, you should look no further than the Omega suppressor as the best choice you can get at this price.

You will like this product if:

You want something more than a mere suppressor. If you want to shoot without much noise, recoil, and muzzle jumps, you’re looking at the right suppressor. Mount this suppressor on your .300 Blackout rifle and you will definitely feel the difference. This change in feeling as you shoot is something that you’ll love.

You want a super durable suppressor. Constructed from materials such as titanium, stainless steel, and stellite, you know you’re getting a suppressor that’s built to last you for many years to come.

You might not like this product if:

You are shopping on a tight budget. Available on brownells.com for $904.99, it doesn’t fall exactly in the budget range that everyone would be comfortable spending in. However, there’s absolutely no doubt as to the value you are getting from this suppressor.



3.  Operators Suppressor Systems – Helix IFM7 7.62 Direct Thread




  • Cartridge: 7.62 mm NATO
  • dB Reduction: 135dB
  • Finish: Black
  • Full Auto Rated: Yes
  • Length: 8.75″
  • Style: Direct Thread
  • Weight: 24.9 oz
  • Made in the USA


With the Operators Suppressor System’s 7.62 Direct Thread suppressor, it is constructed of premium materials which allow the suppressor to become an extremely durable piece that you can add to your .300 Blackout Rifle.

The materials used to construct this amazing suppressor are namely stainless steel, titanium, aluminium, and cobalt. With such materials, you know you’re getting one that’s built by OSS to last for a long time. You can mount this bad boy on your .300 Blackout Rifle without hesitation under all kinds of unfavourable weather, corrosion, and abuse.

If you are looking for a suppressor to deliver the best in terms of noise reduction, this suppressor lowers the noise from shots to around a mere 130 decibels. At such a rate, you won’t even need to carry any kind of ear protection with you as you shoot your .300 Blackout Rifle.

Besides that, this suppressor is also versatile and interchangeable. This means that you’ll be able to work with all kinds of calibres within the AR species. If you just so happen to be looking for another suppressor besides your .300 Blackout rifle, this suppressor would be of good use for you.

The OSS Helix can also work with some muzzle brakes where you can now shoot with little to no muzzle jumps. Simply pair this with a muzzle brake, you will be able to experience not only the best experience of silent shooting, you’ll experience a significant reduction in recoil and muzzle jump.

You will like this product if:

You want an interchangeable suppressor. If you are looking for a suppressor to fit most of your rifles, the OSS Helix would be the one for you. This suppressor is pretty versatile as it will be able to fit just about any AR-style rifle you have in your arsenal.

You want a durable suppressor. Having being made in the USA and constructed with materials such as titanium, aluminium, stainless steel, and cobalt, you will be getting a suppressor that’s built to last you for many years of shooting to come.

You might not like this product if:

You want the suppressor to have muzzle brake features. Unlike the Omega suppressor that has muzzle braking features, unfortunately this one doesn’t offer that. That said, you can always mount a muzzle brake easily and enjoy an almost recoil-free and muzzle jump free shooting experience.



4. SIG .300 BLK Silencer SRD762-QD 7.62×51, Quick Detach


  • Size: 7.0×1.625 in. / 177.8×41.14 mm
  • Weight: 17.0 oz. / 481.9 g
  • Threads: 5/8-24 tpi fast attach
  • dB reduction: 140 dB
  • Caliber: 7.62
  • Material: Inconel 718


How could such a list be complete without SIG Sauer’s products? Being one of the best brands among most longtime gun owners and veterans, most people would probably be sold to the name alone.

This suppressor is a suppressor that comes with incredible versatility. Having a 7.62mm caliber, it will be compatible with almost every single AR-style rifle, of course including the .300 Blackout rifles to deliver silent and deadly shots.

Constructed from Grade 5 titanium, you can expect to get one of the toughest suppressors out there in the market. With the SIG’s quick-detach suppressor, you can mount it easily without hesitation when it shooting under unfavourable weathers.

Besides being extremely durable and made from one of the best gunmakers in the world, this suppressor does its primary job – silencing guns pretty well. Having the ability to reduce the noise from shooting your .300 Blackout Rifle to a mere 137 decibels, you don’t even need ear protection with your SIG suppressor mounted on.

The suppressor’s use of a fast-attach a muzzle device would ease your process of mounting the suppressor on your .300 Blackout rifle, or any other AR-style rifle you have in your arsenal. The rear mount has wrench flats to torque the silencer to the barrel, and there is a secondary retention latch that is depressed to remove the silencer from the mount.

You will like this product if:

You want a reliable brand. As mentioned above, most people would be sold by the name – SIG Sauer itself because veterans know what it can do and trust the manufacturer in producing great quality firearm products. Besides that, it comes with a plethora of features that offers you almost everything you need and want from a suppressor.

You are shopping on a tighter budget. Available on impactguns.com for only $688.39, most people would be comfortable with that price tag, especially since it’s a SIG product. For only $688.39, you’ll be getting a durable, versatile, and quick detach suppressor from SIG. How amazing?

You might not like this product if:

You don’t like the brand. Unless you are not a fan of SIG Sauer’s products for some reason, there’s virtually no reason to not love this suppressor for the reasons mentioned above.

5. Silencerco Saker 7.62mm




  • Cartridge: 7.62 mm NATO
  • dB Reduction: 132dB
  • Diameter (in): 1.5
  • Finish: Black
  • Full Auto Rated: Yes
  • Length: 10″, 8.5″
  • Style: Direct Thread


If getting the most bang per buck is your utmost priority, then the Silencerco Saker 7.62mm might just offer the best sound reduction per buck on the market. Available for only $778.99 on brownell.com, most people could afford this. The fact that Silencerco only makes excellent suppressors only makes it better in conjunction with the affordability.

One of the most notable features of this suppressor is perhaps its retention system. Featuring Silencerco’s Active Spring Retention (ASR) System, this suppressor would be compatible with many flash hiders, direct-thread mounts, and muzzle brakes on the market. Hence, this would be a great addition for you if you have an arsenal full of other weapons besides the .300 Blackout Rifles.

Along with subsonic rounds, the Silencerco Saker 7.62mm is able to reduce the sound signature from your .300 Blackout rifle to a mere 132 decibels, which is hearing safe. This means that you won’t have to wear any ear protection when you shoot your rifle mounted with this suppressor.

Constructed from stellite cobalt-chromium alloy and stainless steel, the Silencerco Saker 7.62mm suppressor will provide optimum corrosion resistance even if you shoot under the most unfavorable weather conditions. Besides that, the angled Hoplon baffle design also redirects the gas to the outside of the baffles to reduce carbon fouling. Both of these features would significantly extend the durability of the suppressor.

Besides that, this suppressor is also rated for full-auto fire. That said, even if you don’t have a full-auto rifle, the added durability of this suppressor only makes it more resilient over semi-auto shootings.

You will like this product if:

You want a durable suppressor. Made from stellite cobalt-chromium alloy and stainless steel, you already know this suppressor was built to last. Along with the angled Hoplon baffle design and is rated for full-auto fire, you won’t have to go looking for replacements for years to come.

You are shopping with a tight budget. Available on brownells.com for only $778.99, you’re getting almost the most bang per buck a suppressor could offer. Seeing that it’s made from Silencerco, you can rest assured that you’ll be getting one of the best .300 Blackout Suppressors for this price.

You might not like this product if:

You want a shorter suppressor. Unfortunately, all these amazing features would require some hardware space. Hence, this suppressor is 10’ long, which can be a bit too much for long barrels.


Conclusion – Which is the Quietest .300 Blackout Suppressor?

After considering all options available (as well as staying within a reasonable budget), the Helix IFM7 Suppressor keeps the .300 Blackout suppressed really well. It greatly reduces the recoil and acoustic intensity of the muzzle report of the .300 Blackout. More importantly, it doesn’t deprive the accuracy and precision of the rifle.

Frequently Asked Questions

Q: Can the .300 Blk mount a silencer?

The short answer is yes. However, the silencer needs to be threaded in a certain way to fit the gun it was designed for. Hence, in essence, some silencers could be designed only for certain types of pistols. And the same could be said for certain types of rifles as well.

Q: Are .300 Blackout silencers and suppressors the same?

Yes. Perhaps the only difference between them is the name to it. A silencer kind of the ‘legal name’ for it, whereas a suppressor is more of a technical term. That said, both names are pretty recognized around the globe so you can call it whatever you want.

Q: Could you legally make a suppressor at home?

The short answer is yes. It is legal to make your own suppressor provided that you follow the rules and guidelines as approved by the NFA. You should also take note that this would depend on any laws and regulations on your local or state. Before making one, you should always double-check on the laws governing your jurisdiction to ensure you won’t get into any trouble.

Q: Does the suppressors for .300 Blackout wear out fast?

The short answer to this is – it depends. It depends on how old the suppressor is. Thanks to technological advancement, most modern suppressors won’t wear out as fast as the more old school suppressors. If you want to prevent any quick wear and tear to your suppressor, make sure that it is tightly and securely mounted on your firearm before going for a shooting session.

Q: Do you really need a suppressor for a .300 Blackout rifle?

Well, you don’t really need a suppressor to be mounted on your .300 Blackout rifle to hit targets. But the .300 Blackout round was initially designed around the idea of being subsonic suppressed.

Q: Will a 300 Blackout silencer work on a 5.56mm rifle?

A .300 Blackout or any other variant is also compatible with 5.56mm rifles.


Leave a Comment