Best 300 Blackout Muzzle Device

Even though 300 Blackout doesn’t produce heavy recoil, shooters still love to use different muzzle devices with the caliber firearm. Because these muzzle devices make your shooting experience much smoother.

Now the problem lies in choosing the correct muzzle device for your 300 Blackout firearms. Since each muzzle device has a different role to play, you need to know their purposes before making the purchase.

Plus, there are tons of options in the muzzle devices that can easily make you confused while choosing a device. Hence, to help you find the right device, I have gathered the list of the best muzzle devices for the 300 Blackout. As per your shooting needs, you can buy your desired muzzle device.

Besides, I have added a buying guide at the end of the reviews. It will give you a clear idea about the factors you should check before purchasing a muzzle device. So, without any delay, let’s get down to the business!
300 Blackout Muzzle Brake

You should opt for muzzle brakes when your main focus is to reduce the recoil effect of your firearm. It is often the case that we miss our perfect shots because of the recoils.

To prevent such occurrences, shooters use muzzle brakes with the rifle. One annoyance with muzzle brakes is that they create a hell of a noise when you make your shots.

So, if you mainly want to reduce the felt recoil effect, go for the muzzle brakes!

Buying Guide For 300 Blackout Muzzle Devices

If you want you can create a long list of factors to check before buying a muzzle device. But I believe looking down to some basic factors will make the selection process much easier. Therefore, below is the list of key factors you should look at while purchasing a 300 Blackout muzzle device:

Thread type

Since the muzzle devices are available in different thread sizes, you need to know the thread pattern your rifle accepts. If the thread style doesn’t match with your rifle, you won’t be able to mount it on your firearm.


It is essential that the device you’re choosing is perfectly compatible with your 300 Blackout rifle. Apart from the thread size, other factors like weight, installation process, and so on, make influence on the overall compatibility of the device with the firearm.


Make sure the device you’re choosing has durable construction. Otherwise, it won’t be able to survive through different environmental conditions. However, keep one thing in mind rugged construction doesn’t mean heavy weighted devices. If you choose a heavy-weighted muzzle device, it will add extra weight to your firearm.


The price of the 300 Blackout muzzle devices varies from one manufacturer to another. So, if you are on a budget, try to look for a trustworthy company that makes good quality muzzle devices and offers them in a decent price range.

1. VG6 Precision Epsilon 762 Muzzle Brake

Best 300 Blackout Muzzle Device

Ever since VG6 Precision brought their GAMMA 762, they have caught the attention of many shooters. By keeping their increasing popularity in check, they have brought Epsilon 762 into the market. This muzzle brake works great with platforms like the M5/AR10/.308.

The device can provide high performance to reduce the recoil effect. They come as a great aid to make smooth shots with your 300 Blackout rifle. It features a new enhanced chamber design, allowing the gas to flow out as quickly as possible.

In order to improve the recoil, the muzzle brake has been designed with a 5/8×24 thread pattern. The good part of the device is that it not only eliminates recoil but also mitigates flash signature to shoot accurately on your target. So, in one package, you will be getting two important features to facilitate your shooting experience.

Additionally, the muzzle brake has a rugged construction. It has been made out of 17-4 Heat Treated Stainless Steel, ensuring that it will withstand bumpy situations.

Plus, it has been crafted with the art engineering techniques as in CFD (Computational Fluid Dynamics) and CAE (Computer Aided Engineering). Moreover, the device has been CNC machined to ensure its optimal performance.

If the features sound good for you, you can consider buying it for your 300 Blackout rifle.

Is it lightweight?

The device is quite lightweight. It weighs nearly 2.6 oz. To minimize the weight, it has aggressively cut channels along the length of the device.

What else is provided with the product?

Not much is offered with the product. The company only provides a crush washer along with the muzzle brake. It helps to install the device on the firearm.

What sort of finish does the device have?

It is essential that the muzzle brake you are using has water resistance ability. Therefore, it is designed to have Nitride finish. It allows you to use the device under wet weather as well.

2. Fortis Control 300 BLK 5/8×24 Muzzle Brake

Best 300 Blackout Muzzle Device

By taking inspiration from their handguards, Fortis has manufactured this 300 BLK muzzle brake device. It has been specially made with the 5/8×24 thread pattern so that it can easily work with the 300 Blackout rifle. Even though the device has an aggressive, sharp lined design, it looks quite aesthetically pleasing.

Besides, you will find the muzzle brake flatter even when you make follow-up shots. The device is a part of the control series of muzzle brakes of the company. It is mainly popular for its ability to redirect the blast down range away from the shooter. Thus, you can shoot comfortably in both indoor and outdoor shooting ranges.

Moreover, you can use the device in any rough environment. Because it has been machined from durable material like 4140 chromoly steel.

In addition, the muzzle brake comes with a corrosion resistant salt bath Nitride finish. Therefore, you can take the device in any terrain and use it under any weather condition you want.

One of the best parts of the device is, it is lightweight. The brake weighs nearly 2.8 oz. Hence, you don’t need to worry that like other muzzle devices, this one will not put additional weight on your firearm.

Besides, the device offers an easy installation process. It is provided with a crush washer so that you can quickly attach the brake to your rifle.

Can it work as a compensator as well?

The device primarily works great as a muzzle brake. However, it has been seen that it can also mitigate the muzzle rise to some extent.

Is it available in different colors?

The muzzle brake is designed to have a black Nitride finish. So, unfortunately, it is only available in black color.

Will it work with a .308 AR-10 rifle?

This 300 BLK muzzle brake is compatible with calibers that have a similar bullet diameter of .308 or less than this diameter. Plus, the .308 rifle needs to work with a 5/8×24 thread pattern, only then you can use the device with your .308 AR-10 rifle.

3. Guntec USA AR-10 Multi-Spike Muzzle Brake

Best 300 Blackout Muzzle Device

If you’re looking for a budget-friendly muzzle brake for your 300 Blackout rifle, this is one of the best calls you can make. It is perfectly compatible with calibers like .300 AAC Blackout and .308 Winchester.

Especially, if you have an AR-10 gun model that accepts a 5/8×24 thread pattern, you can go for it without any hesitation.

The muzzle brake has been engineered to have multi-ports. These ports redirect the gas out of the device as quickly as possible. This allows the brake to lower the recoil effect. Plus, it also helps to eliminate the muzzle rise so that you can make accurate shots on your target.

Additionally, on the outer side of the device, it has door breacher spike points. Moreover, the brake features a strong body construction as well. It has been made out of durable steel. So, you can use the device in different environmental conditions.

The device is also lightweight to mount on the rifle. Therefore, you can carry it along with your firearm in different terrains. Plus, the installation process of the device is really easy. So, it can be a good deal for you to consider for your 300 Blackout.

Will it fit the AR-15 gun models?

As long as your firearm accepts the 5/8×24 thread pattern, it will work with the gun. However, the AR-15 gun models mostly need 1/2×28 thread pattern muzzle devices.

Can it mitigate the muzzle rise?

The muzzle device is perfect to reduce the recoil effect for aiming accuracy. Plus, it can help to mitigate the muzzle rise as well. But it won’t perform like a compensator, so don’t expect it to provide high performance in terms of eliminating the muzzle rise.

Does it have a stainless steel finish?

No, it doesn’t come with a stainless steel finish. The brake is only available in a black Nitride finish.

300 AAC Compensator

The compensators are specially designed to mitigate the muzzle rise. Due to recoil, if the muzzle of your rifle climbs high, it can make an effect on your shooting accuracy.

Hence, to reduce such problems, shooters use compensators with their firearms. So, if you are mainly concerned about the muzzle climbs, you can purchase a compensator for your 300 Blackout.

4. Dark Storm Industries Firestorm .300 Compensator

Best 300 Blackout Muzzle Device

One of the best options in the compensators is the Firestorm compensator. You can consider it as an ideal item to use with your firearm for hunting or practice shooting.

It provides its best performance to reduce the muzzle climb. So, if you use a .300 Blackout rifle that accepts a 5/8×24 thread pattern, it will be a perfect choice for you.

Since the device has been formulated with the most heavy duty and long lasting materials, it offers a reliable performance. Hence, whatever situation you’re in, you can use the compensator without worrying about it getting damaged.

The good part of the device is that it has a black Nitride finish. As a result, you can use the compensator in wet weather as well. Because this Nitride finish will protect it from moisture and abrasion.

Therefore, if you want to ensure your accurate aiming on the target, you can mount the device on your firearm. Because it will keep the muzzle rise as low as possible.

However, if you’re looking for a combination of muzzle brake and compensator in one device, then you can check out this device for your 300 Blackout rifle.

Is it only compatible with the 300 Blackout?

No, the compensator is compatible with the other calibers as well such as .308 and 7.62mm calibers. However, make sure the rifle you have accepts the 5/8×24 thread pattern. Otherwise, you won’t be able to use it with your firearm.

What material has been used to make the compensator?

The device has been made out of durable material like 4140 Alloy Steel. So, it has the ability to endure any situation you throw it at.

Does the device come with any other finish?

You will find the product is available in the market with two types of finishes. One is a black Nitride finish and another is a stainless steel finish. If you’re a competition shooter, you’re suggested to buy the stainless steel device rather than the black Nitride finish.

5. DRD Tactical Director L7 .300 Blackout Linear Compensator

Best 300 Blackout Muzzle Device

This is the latest popular compensator which has been manufactured by the DRD Tactical. The Director L7 .300 Blackout muzzle compensator works perfectly to mitigate the muzzle rise.

Hence, apart from hunting and practice shooting, it is also compatible to use for tactical purposes. The device features a meticulous design that enables it to quickly compensate for the muzzle rise.

The L7 can direct gas and the concussion forward, allowing it to keep the muzzle stable for accurate shots. To provide you with a comfortable shooting experience, the device also pushes the excess noise towards the target.

Moreover, the compensator comes with a durable construction. It means it has been crafted with a strong material such as 416 stainless. Hence, you can use the device in all environmental conditions.

Besides, the installation process of this 300 Blackout Linear compensator is really easy. You can install it by following the given steps:

  • Unload the firearm.
  • Now place the crush washer (provided by the company) on the small end of the barrel threads.
  • Keep tightening up the device until it stops at the crush washer.
  • With the help of the ⅞” wrench, tighten it nearly with ¼ turn.
  • If you want to hand tighten it, do not exceed from more than one rotation.

Can you use the compensator with all gun models?

The compensator is compatible to use with the AR platforms. However, make sure your rifle accepts a 5/8×24 thread pattern before buying the device.

Does it fit 6.5 Creedmoor?

Yes, it does fit with the 6.5 Creedmoor rifle. Besides, it works with 308 Win and 7.62 NATO calibers as well. you can read the article about the 6.5 Creedmoor muzzle brake as well.

What type of finish does the device have?

The product comes with a black Nitride finish. Therefore, it remains protected from corrosion and abrasion.

300 Blackout Flash Hider

The purpose of the flash hiders is to reduce visible muzzle flash. They eliminate this muzzle flash from the shooter’s point of view. It also protects the shooter’s night vision as well as allows them to make follow up shots in low light conditions. Therefore, it is a very important muzzle device for many hunters and law enforcement agents.

6. GUNTEC USA AR-10 Cone Flash Hider

Best 300 Blackout Muzzle Device

To eliminate the muzzle flash, the best option you’ve got is to mount a flash hider on your rifle. Guntec offers you one of the best flash suppressors you can find in the market. This Cone Flash Can suppressor works for all shooting situations.

Whether you’re a hunter, a practice shooter, or a law enforcement agent, you can easily use the device with your firearm.

In addition, the device has a simple yet rugged construction. It has been engineered in a way that it pushes the flash forward. Since the flash hider has been manufactured for the 300 Blackout firearms, it comes with a 5/8×24 thread pattern. Therefore, it will be perfectly compatible with your 300 Blackout.

To help you use the flash hider in all environmental situations, it has been made from durable material. The device is crafted with T6 Aluminum, hence, it can withstand any bumpy situation. But due to the construction material, you will find the device a bit heavy-weighted.

Moreover, you can easily and quickly install the device on the rifle. However, you are suggested to use a crush washer while mounting the flash hider. As the company doesn’t provide a crush washer with the product, you need to buy it separately.

What is the diameter of the device?

The device doesn’t add much extra length to your rifle. The overall length of the device is 3.25″ and the outer diameter is 1.245″.

Is it available in different colors?

No, it is not available in any other color. The 300 blackout flash hider only comes in an anodized black finish.

What is the weight of the flash hider?

The only drawback of the device is that it adds extra weight to your firearm. It weighs around 5 oz.

7. Doublestar JT470 Phantom 5/8×24 Flash Hider

Best 300 Blackout Muzzle Device

If you want to hide the flash signature, you can also go for this Phantom as well. The device has been carefully crafted to be used for hunting and practice shooting situations.

It is designed to have a 5/8×24 thread pattern so that it can easily fit with the 300 Blackout rifles.

The 5 slots of the flash hider enable it to quickly eliminate the muzzle flash. Additionally, the aggressive teeth work great to make the device effective on your firearm. Moreover, the flash suppressor is formulated with high quality materials.

It has been machined from solid steel. As a result, it has the durability to withstand rough situations. Plus, it has a strong resistance against rust and corrosion. Since it has a black Nitride finish, you can rest assured that it will protect the device from the moisture or fog.

Like any other high quality muzzle device, this one also has an easy installation process. So, if you’re looking for something easy to go with, choose the Phantom Flash hider.

Does the company offer a warranty with the product?

The device is made out of strong material, so hopefully you won’t need to use any warranty policy for this product. However, if you receive a faulty device, you can use the limited lifetime warranty that the company offers.

Is it available in a stainless steel finish as well?

No, unfortunately, the flash hider is not available with a stainless steel finish. Therefore, if you want to buy the device, you have to stick with the black Nitride finish.

Will it work on a DPMS LR 10 in 308 cal?

You can mount the device on rifles that accept the 5/8×24 thread pattern and also calibers similar to the 300 Blackout. Therefore, it will work perfectly with this caliber rifle.


To conclude, muzzle devices facilitate your target practice or hunting. They help you to make accurate shots on the target. So, you can use muzzle devices with your firearm to improve your aiming accuracy. However, before buying any device, you’re suggested to look at its usage and think whether it fulfills your shooting needs or not.

Once you are sure and made your decision about muzzle devices, go through the muzzle device recommendations. It will take you to the best muzzle device you can buy for your 300 Blackout rifle. Additionally, read the buying guide as well. It will enable you to make an economic purchase. Good luck!

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