• Reading time:42 mins read
  • Post category:Compensators
  • Post last modified:April 5, 2024
  • Post published:October 15, 2021

What is the Best 9mm Compensator?💪

Muzzle brakes and compensators for 9mm pistols are overgrown with many myths and legends. Many consider it a toy improvement until they feel the obvious difference themselves. If you’re willing to trade between $30 and $130 for more accurate and faster shooting, you’ll love this.

Today in our review there will be a variety of muzzles. Some of them have an innovative design, and some have been proven by time and millions of rounds. Stay tuned until the very end and we will try to find the best update for your build and of course, we will answer the most frequently asked questions. It’s time to start!

Best 9mm Compensators


  • 🎯Improved Accuracy: By reducing muzzle climb, it allows for quicker target reacquisition after each shot, which can significantly improve accuracy, especially during rapid-fire shooting.
  • 🌬️Reduced Recoil: They vent gases in a manner that counteracts the rearward motion of the recoil. This can make the firearm more comfortable to shoot, particularly over extended periods.
  • 💪Enhanced Control: By mitigating recoil and muzzle climb, it allows for better control of the firearm. This can be particularly useful in competitive shooting or in self-defense situations where rapid, controlled fire is necessary.
  • 😌Increased Comfort: By reducing recoil, it can make shooting more enjoyable, particularly for those sensitive to the kick of a firearm. It can also help to reduce shooter fatigue during long shooting sessions.
Our Top Pick
SLR Synergy 9mm Mini Compensator
The SLR Synergy mini compensator strikes a balance between the traditional flame arrester and compensator. Designed with a compact barrel, this innovative device features numerous perforations along its body while maintaining a solid base.
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  • 🔩Threaded Attachment: They attach to the firearm via threads on the end of the barrel. This makes them relatively easy to install and remove, and they can typically be used with a variety of firearms.
  • 💨Gas Vents: The key feature, these vents direct the gases generated by firing in specific directions to counteract recoil and muzzle climb. The size, number, and direction of these vents can vary between different models.
  • 🔧Durable Construction: Most of them are made from durable materials like steel or high-strength aluminum to withstand the extreme conditions created by firing. They may also have finishes like nitride or cerakote to provide additional durability and corrosion resistance.
  • 🎨Design Variations: Theys come in a variety of designs, with differences in size, weight, and appearance. This allows shooters to choose a model that fits their specific needs and preferences.
  • 🔩Set Screws or Crush Washers: Some variants include set screws or crush washers to ensure a secure fit on the barrel and to maintain the correct alignment of the compensator.
  • ⚖️Lightweight: To avoid affecting the balance of the firearm, many of them are designed to be relatively lightweight.
Our Top Pick
Guntec USA AR Hellfire Gen 2 Muzzle 9mm Compensator
Featuring a two-piece design, it transforms the compensator into a versatile muzzle. The detachable Blast Shield not only provides pulse compensation but also grants shooters complete flame control and protection against the jarring sound wave. This comprehensive package ensures an enhanced shooting experience.
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How Does a Pistol Compensator Work?👷

🔫A pistol compensator is a device that is attached to the end of the barrel of a firearm. Its primary function is to counteract recoil and muzzle climb when the weapon is fired. Here is a simple explanation of how it works:

🔫When a pistol is fired, the bullet is propelled out of the barrel by expanding gases generated from the ignited gunpowder in the cartridge. This action creates an equal and opposite reaction, according to Newton’s third law of motion, causing the firearm to recoil, or “kick,” in the shooter’s hand and the muzzle to climb upwards.

🔵It mitigates these effects by venting some of these gases upwards and, in some designs, sideways. The device usually has a series of holes or vents on the top and sides.

  • ⭐Reducing Muzzle Climb: When the firearm is discharged, some of the gases are directed upwards through the holes in the compensator. This creates a downward force that counteracts the upward motion of the muzzle. In this way, it helps to keep the firearm level after each shot, improving the shooter’s control and allowing for faster and more accurate follow-up shots.
  • ⭐Reducing Recoil: Some of them also vent gases to the sides. This is designed to push the gun forward, offsetting some of the rearward force of the recoil. This helps reduce the overall recoil felt by the shooter, which can improve shooting comfort and reduce fatigue during extended shooting sessions.

⚠️It’s important to note that while they can significantly improve shooting performance, they also come with trade-offs. They can increase the overall length and weight of the firearm, and they can also increase the noise and flash experienced by the shooter. Nevertheless, for many shooters, the benefits of improved control and accuracy outweigh these drawbacks.

Best 🚀 9mm Compensator Reviews

#1 ZEV Technologies PRO Glock V2 9mm Compensator

#1 ZEV Technologies PRO Glock V2 9mm Compensator

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This COMP improves the accuracy of your 9mm Glock by reducing muzzle deflection. It has created a compensator that is guaranteed to send your bullets, if not to the very center, then much closer to the target. The offer is available in two versions, for 1 / 2×28 right-hand threads and 13.5×1 left-hand threads.

It is a stylish black nitride trim and rectangular structure. This lengthens the barrel a bit but continues and emphasizes the contours of the Glock 19. This actually fits any 9mm Glock. It could do something abstract and versatile, but, likely, it will not find its buyer. Therefore, a specific G19 was taken as a basis and an optimal design and functionality were created for it.

The PRO Glock V2 releases propellant gas through contoured holes specially designed for standard cartridges. The goal of achieving optimal recoil is excellent, the barrel has reduced displacement very significantly. But this creates an “unfavorable radius” around the shooter. Close neighbors in the shooting range will get an air blow right in the face, but this is the price you are forced to agree to when buying this product.

The thread on this Comp does not leave a chance for muzzle gases, so the use of a sealant is optional. And you need to be aware that the assembly and disassembly process will be very frequent. Due to the elongation of the barrel, the standard holster is no longer suitable for carrying and storage. This is an absolutely successful device, it works as advertised, but has several disadvantages that you shouldn’t forget.

Video review

  • Improved accuracy
  • Stylish design
  • Versatile compatibility
  • Optimal recoil reduction
  • Optional sealant
  • Breathes mud in the face of the shooting range neighbors (after installation)
  • Will not fit in a standard holster

#2 Odin Works Atlas 9mm Compensator

Odin Works Atlas 9mm Compensator

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This expansion joint is constructed from very strong 416R stainless steel. The barrel gas evacuation system simultaneously directs the throwing impulse in different directions and thus creates balanced calm.

This expansion joint is foldable in three parts and has a modular design. The core and cover are partially nitrided to black and look very cool. The shine of the stainless steel and the black belts on the bottom and top look attractive. By the way, the bushing used for synchronization and tuning is made of titanium. As you might have guessed, it is very strong and durable.

The installation of the expansion joint is also simple, pleasant, and unpretentious. Additional washers and spacers are not required. This means that the installation speed depends only on your dexterity and the correspondence of your 9mm barrel to the 1 / 2×28 thread.

This muzzle is felt confidently, but a little cumbersome. The 2.56 in length by 1 inch in diameter provided a 4.1 oz weight. This can cause some difficulty for quick successive pistol shots, due to the longitudinal movement of the barrel during the shot.

Video review

  • Strong and durable stainless steel construction
  • Balanced recoil reduction
  • Modular and foldable design
  • Attractive aesthetics with black nitrided finish
  • Titanium bushing for synchronization and tuning
  • Simple installation process
  • Cumbersome feel due to weight and barrel movement

#3 Yankee Hill Machine Slant 9mm Compensator

Yankee Hill Machine Slant 9mm Compensator

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It has long earned a reputation as a reliable manufacturer of true combat masterpieces. This time our review includes the Slant Muzzle Brake for 6.8 / 7.62 / 9mm. Thanks to the 1 / 2×36 right-hand thread, the steel expansion joint is very securely attached to the barrel and provides a comprehensive absorption of the powder gas impulse.

With this muzzle, you can count on accurate double shots at 25 and 50 yards. Accuracy enough to hit a beer can twice in a row! This is a really tempting offer considering that buying this kit won’t make you bankrupt.

The muzzle brake is made of heavy-duty steel and machined to perfect surface smoothness and sharpness on every bump and rib. As you can see, the expansion joint design is very aggressive. This will protrude an additional 2.6 inches further and may create a slight imbalance. The most interesting thing is that this is how it should work. This is exactly what will make your barrel jump less when firing.

The expansion joint is very easy to install. Use a washer to get the desired positioning and a secure fit. This is suitable for all calibers smaller than 9mm and works great even with 7.62 x 39. The compensator takes the gas away from the shooter and redirects it in other directions, which can interfere with neighboring shooters.

Video review

  • Reliable manufacturer with a reputation for quality
  • Secure attachment with 1/2×36 right-hand thread
  • Effective gas impulse absorption
  • Improved accuracy for double shots
  • Affordable option
  • Aggressive design with potential imbalance
  • Gas redirection may interfere with neighboring shooters
  • Limited compatibility to calibers smaller than 9mm

#4 TANDEMKROSS Game Changer PRO 9mm Compensator

TANDEMKROSS Game Changer PRO 9mm Compensator

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It is a device with which you can freely compete with the best shooters in the competition. Even by shortening the interval between shots, you will not feel the strong resistance of the barrel and will be able to quickly switch between targets, making accurate shots. This little barrel add-on can change the way you think about expansion joints for many reasons. Let’s talk more about this.

The structure of this expansion joint was developed, tested, and adjusted by the TANDEMKROSS engineering team. The steel compensator releases barrel gas at a 45-degree angle to the barrel. By directing gas jets in different directions, the muzzle brake significantly reduces recoil and does not distract the shooter from aiming.

This offer consists of 4 models, which are essentially double versions of 9mm and .22. You can choose between two calibers and two designs (polished stainless steel and nitride black). The difference is not only in color but also in the availability of the patented Easy-Clean coating, which minimizes the maintenance of this module.

It is very easy to install and compatible with a huge list of pistols. The main requirement is that the barrel is a 1/2 x 28 thread standard. The kit is completed with an O-ring and washer, which makes installation even easier.

When it comes to using this device on the range, it is very convenient. At 0.99 inches in diameter and 1.5 inches high, it weighs just 2.83 ounces. Recall, this is steel! Only titanium can weigh less, but that would increase the cost manifold. You should also not worry about the durability of this expansion joint. By purchasing this you get a lifetime warranty, which always instills a sense of security and reliability.

Video review

  • Enhanced competition performance
  • Recoil reduction with angled gas release
  • Multiple options in caliber and design
  • Easy maintenance with optional Easy-Clean coating
  • Simple installation with included O-ring and washer
  • Compact and lightweight design
  • Lifetime warranty for durability and reliability
  • Limited compatibility to pistols with 1/2 x 28 thread standard
  • Limited caliber options (9mm and .22)

#5 SLR Synergy Linear Hybrid 9mm Compensator

SLR Synergy Linear Hybrid 9mm Compensator

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The strength of the SLR compensator lies in its effectiveness. It creates a dispersion of the gas cloud in front and significantly reduces the recoil and thunder of the shot. The manufacturer provides 2 models of expansion joints for 9 mm pistols. When choosing one of them, pay attention to the thread standard. You can choose between a 1 / 2×36 right-hand thread or a 13.5×1 left-hand thread.

The expansion joint consists of a steel core and a titanium sleeve. If you need tank strength, this linear hybrid expansion joint can provide it. This device increases the bore diameter to 1.52″ by 2″ in length. This adds up to 4.4 ounces, which has a very noticeable effect on the balance of the pistol. It feels like a good and beautiful variant with which your assembly becomes truly complete.

  • Effective recoil reduction
  • Two model options for thread compatibility
  • Durable steel core and titanium sleeve construction
  • Provides a sense of reliability
  • Enhances the aesthetics of the pistol
  • Increased weight and potential impact on balance

#6 Agency Arms Single-Port Gen-5 9mm Compensator

Agency Arms Single-Port Gen-5 9mm Compensator

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The 417 Gen 5 single-port compensator is a completely different muzzle philosophy. It includes a single chamber with vertical gas release and a place for installing the front sight at the very edge of the elongated barrel. Now you can move the front sight from the shutter and shoot even more accurately.

It is made from 7075 aluminum coated with MIL-A-8625 black anodizing and is suitable for barrels that protrude at least 0.715 inches. Threads must be 1 / 2×28, which is suitable for a wide range of Glock GEN5 pistols (G17, G19, G19X, G34, and G45).

It shows the best efficiency when working with heavier ammunition, but everything goes fine when working with factory ammunition. Installation is also easy. Includes: 2 set screws, hex wrench, and a bottle of red Loctite. By purchasing this you are getting a decent product, but it will require a corresponding payment.

  • Unique design with vertical gas release and front sight placement for improved accuracy.
  • Constructed from durable 7075 aluminum with MIL-A-8625 black anodizing.
  • Compatible with Glock GEN5 pistols (G17, G19, G19X, G34, and G45) with 1/2×28 threads.
  • Shows excellent efficiency with heavier ammunition and performs well with factory ammunition.
  • Easy installation with included set screws, hex wrench, and Loctite.
  • Higher cost compared to some other variants on the market.
  • Requires a barrel protrusion of at least 0.715 inches.

#7 V Seven Helios Linear 9mm Compensator

V Seven Helios Linear 9mm Compensator

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It gives you the best shot at your aim. The muzzle brake of this model is made from Grade 5 titanium in your choice of finish. It may look classic gray or have black DLC coverage.

This expansion joint is very small in size. The length is 2.75 inches and the diameter is 1.25 inches. The actual addition to the stem length is only 2.2 inches because some of the thread runs over the stem thread to form a double layer. This add-on is available in 4 modifications to suit the needs of all popular calibers. For caliber 5.56 the thread is 1 / 2×28, for 9mm the thread is 1 / 2×36, for .338 inches – 5 / 8×24, and 458 SOCOM is awarded 5 / 8×32. Regardless of the modification chosen, this will weigh 2.8 ounces.

As it turns out, it works as intended – it softens the recoil well and redirects the thunder of the shot forward. Your hearing will get a little rest if you use this compensator. The muzzle brake comes with a crushing disc and a lifetime warranty, which means it is ready to work for you from the very first day of purchase and for many years to come.

  • Grade 5 titanium construction for durability and lightweight performance.
  • Choice of classic gray or black DLC finish.
  • Compact size with dimensions of 2.75 inches in length and 1.25 inches in diameter.
  • Available in 4 different modifications to suit popular calibers.
  • Effective recoil reduction and redirection of muzzle blast.
  • Provides a rest for hearing by redirecting noise forward.
  • Includes a crushing disc and comes with a lifetime warranty.
  • The price seems significant

#8 TacFire Linear 9mm Compensator

TacFire Linear 9mm Compensator

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This device directs propellant gases through six holes in the front of the muzzle. This dampens the recoil quite a bit because it directs the gas in the same direction as the bullet, but it can significantly reduce the noise level. You will not receive a concussion from the shot if you install this compensator. TacFire has prepared 5 modifications so that you can find the right device for any caliber. And the best part is that it won’t empty your wallet.

This linear expansion joint is made of steel in the shape of a 2.26” barrel. If you are using forend-mounted accessories you must consider the outside diameter of this add-on. This protrudes about 0.44 inches from the barrel, which can make bayonet installation difficult (if your rifle can be equipped with a bayonet). If you wish to use one device for several rifles of different calibers, you may need an adapter that matches the barrel and compensator threads.

In general, this is the muzzle of the cheap segment, which means you should not expect five-star machining from it. If you’re willing to forgive a few burrs and possible scratches on the nitride coating, you’ll love this expansion joint.

  • Effective recoil reduction and noise dampening.
  • Available in 5 modifications to suit different calibers.
  • Affordable pricing.
  • Made of durable steel.
  • Suitable for forend-mounted accessories.
  • Allows for the use of bayonets with compatible rifles.
  • May protrude and interfere with bayonet installation.
  • The possible presence of burrs and scratches on the nitride coating is due to lower machining standards.

#9 Ultradyne Lithium PCC 9mm Compensator

Ultradyne Lithium PCC 9mm Compensator

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Ultradyne has created a proposal for 9mm pistol lovers. It is designed to significantly reduce recoil and deliver faster follow-up shots. Aggressive ports point upward in a V-pattern. Barrel gases are diverted from the line of sight, so the shooter always has full control of the situation.

This expansion joint is manufactured from 416 stainless steel and is machined. Ultradyne has a good quality control department, so your compensator will be perfectly finished. In addition, the expansion joint is coated with black SB nitride, which increases its corrosion resistance. Since this is for a 9mm pistol (AR-15), a 1 / 2×28 thread is used. With an OD of 1.124 inches, this comp weighs 4 ounces but doesn’t feel heavy. Yes, it shifts the balance a little, but during the shot, the recoil is reduced by almost 2 times!

Included with the muzzle brake, you will find a temporary nut that will make it easier to install the computer. Overall, this is solid stainless steel that is much easier to shoot with.

  • Significant recoil reduction for faster follow-up shots.
  • Upward V-pattern ports divert barrel gases for improved shooter control.
  • Made from machined 416 stainless steel with excellent quality control.
  • Black SB nitride coating enhances corrosion resistance.
  • Compatible with 9mm AR-15 pistols with 1/2×28 thread.
  • A weight of 4 ounces provides balance without feeling heavy.
  • Includes temporary nut for easier installation.
  • May slightly shift the balance of the pistol.

#10 Primary Machine CZ Stealth 9mm Compensator

Primary Machine CZ Stealth 9mm Compensator

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This futuristic compensator from Primary Machine targets the P-10C and the P-07 or P-09 holster. The austere linear design fits perfectly with these 9mm pistols and complements the build organically. At just 1.3 inches long, the muzzle smooths recoil so well that it will be a great addition for novice shooters.

It is a steel expansion joint with a black anodized finish. The milling is done with high quality and all the edges are even and clear. The side holes cross the edge, so the propellant gases push the barrel down and at the same time dampen a significant portion of the recoil. As a result, the return is very small.

To install this expansion joint, you only need a desire, everything else has already been added to the kit. The thread of the part is 1 / 2×28 and the fixing screws are installed at the bottom to remain invisible. The kit also includes blue and red Loctite, a small wrench, and detailed instructions.

  • Specifically designed for CZ P-10C, P-07, or P-09 pistols, ensuring a perfect fit.
  • The futuristic and sleek linear design complements the pistol’s aesthetics.
  • The compact size of 1.3 inches, makes it suitable for novice shooters.
  • Steel construction with a black anodized finish, providing durability and a polished look.
  • High-quality milling with even and clear edges.
  • Side holes effectively redirect propellant gases, reducing recoil and improving shooting control.
  • Easy installation with included kit containing necessary components and instructions.
  • For 9mm pistols only

#11 Midwest Industries AR-15 Two Chamber 9mm Compensator

Midwest Industries AR-15 Two Chamber 9mm Compensator

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The muzzle brake from Midwest Industries is suitable for 9mm pistols with 1 / 2×28 threads and automatic rifles with 19×9 threads. Simple time-tested design, quality machining, and absolutely sweet price.

It is a miniature two-inch design with a two-chamber structure. This expansion joint is made of phosphate tool steel. The milled holes are 0.41 inches in diameter and are symmetrical. The muzzle brake significantly reduces recoil, although it partially leaves the barrel lift.

This compensator looks familiar and a little old-fashioned. There are no technological additions or redundant configurations here. Included with the black expansion joint you will find a crushing disc, which you will need for installation. Otherwise, it just works.

Video review

  • Suitable for 9mm pistols with 1/2×28 threads and automatic rifles with 19×9 threads.
  • Time-tested design and quality machining.
  • Affordable price point.
  • Compact and lightweight two-inch design.
  • Two-chamber structure for recoil reduction.
  • Made of durable phosphate tool steel.
  • Symmetrical milled holes for gas redirection.
  • Leaves some barrel lift during recoil.
  • Old-fashioned appearance without additional features.

#12 SLR Synergy 9mm Mini Compensator

SLR Synergy 9mm Mini Compensator

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The mini device from SLR Synergy is a compromise between the classic flame arrester and the compensator. This compact barrel has many perforations throughout the body but has a solid bottom. The force of the explosion is sent upward to reduce recoil during firing. This will not stop you from bouncing the barrel, but it will make it much smaller.

The muzzle is made according to all NFA rules from stainless steel. At 1.84 inches long and 0.862 inches in diameter, the module weighs just 2.46 ounces. Once installed, the barrel of your pistol will only add 1.24 inches, which is almost imperceptible.

An important limitation, it is not designed for barrels shorter than 14.5 inches. Otherwise, it is compatible with the VG6 CAGE and comes with a washer for installation. If you were looking for a compromised module, consider this option.

Video review

  • Compact design with many perforations for reduced recoil.
  • Solid bottom to direct the force of the explosion upward.
  • Made from stainless steel, adhering to NFA rules.
  • Lightweight and compact, adding minimal length and weight to the pistol.
  • Compatible with the VG6 CAGE and includes installation washer.
  • Not suitable for barrels shorter than 14.5 inches.

#13 Guntec USA AR Hellfire Gen 2 Muzzle 9mm Compensator

Guntec USA AR Hellfire Gen 2 Muzzle 9mm Compensator

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This dual offer from Guntec is the last in our roundup, but not the least. First of all, it is a two-piece design that turns the compensator into a universal muzzle. Thanks to the detachable Blast Shield, the shooter receives not only pulse compensation but also full control of the flame and protection from the brain-shaking sound wave.

The transition to the second generation of muzzle brakes began to raise the question, what has changed significantly? It is worth stating that this kit consists of 2 components that complement each other perfectly. The QD Blast Shield descends over the muzzle composition and conceals the blinding flash. As a result, this is complex work for the shooter and a significant reduction in the consequences of a powder explosion.

All components are made from robust steel and are perfectly milled. This offering has two caliber options 5.56x45mm and 9mm and one design for all, a black nitride finish. If you think about the size, this is more than all the products that have been reviewed today. At 2.4 “long and 1.4” in diameter, this kit weighs 5.8 ounces. The kit includes a crushing disc for easy installation.

  • Two-piece design with detachable Blast Shield for versatile use.
  • Provides compensation, control of the flame, and protection from the sound waves.
  • Perfect complement between the components for effective performance.
  • Robust steel construction with precise milling.
  • Available in 5.56x45mm and 9mm calibers with a black nitride finish.
  • Includes a crushing disc for easy installation.
  • Bulky size and weight
  • Larger size compared to other options.

Installation Guide 📗

⚙️Installing a 9mm compensator may vary slightly based on the specific model and firearm you’re using, but I can provide a general guide to help you understand the process.

❗Please note that working with firearms can be dangerous, so always make sure to exercise extreme caution. If you don’t feel comfortable doing this yourself, you should definitely have it done by a professional.

➡️Here are the general steps for installation:

🔴Before Installation: Safety First

  • ✔️Always make sure your firearm is unloaded before you begin. Remove the magazine and clear the chamber.
  • ✔️Verify that the firearm is unloaded by visually and physically inspecting the chamber.

⚙️Installation Process

  • 📌Remove the existing barrel: Depending on the model of your firearm, you may need to disassemble the gun to reach the barrel. Typically, this involves removing the slide from the frame.
  • 📌Unscrew the existing thread protector or muzzle device: If there is a thread protector or an existing muzzle device on your barrel, you will need to unscrew it. Turn it counterclockwise to remove it.
  • 📌Screw on the compensator: Take it and screw it onto the threads at the end of the barrel. Turn it clockwise. Some of them might have a specific top side indicated by an arrow, make sure this is aligned properly with the top of the gun.
  • 📌Tighten the compensator: Some of them may require a wrench to secure them in place. Do not over-tighten it, as this could damage the threads or the compensator itself. Many of them will also have a set screw that you can tighten to help secure it in place.
  • 📌Reassemble the firearm: Once it is secured, reassemble the firearm. Again, this process will depend on the model of your firearm.
  • 📌Safety Check: After reassembling, perform a safety check to ensure everything is in working order.

☝️This is a general guide and may not apply to every firearm. Always make sure to follow the instructions provided by the manufacturer of your specific firearm.

👍Finally, once it is installed, it is also important to check its performance at a shooting range and make sure it’s not causing any cycling or other issues with your firearm. Make sure to inspect it frequently to ensure it’s still properly attached and has not become loose due to the vibrations of firing.


Do pistol expansion joints really work?

Yes, pistol expansion joints do work. They are a type of expansion joint that is designed to absorb movement and prevent damage to building materials. The pistol joint is a flexible sleeve that is inserted into a gap between two surfaces. As the surfaces move, the sleeve expands and contracts, absorbing the movement and preventing damage.

They are made from a variety of materials, including rubber, plastic, and metal. They are typically used in applications where there is a lot of movement, such as between concrete slabs or between a building and a moving walkway.

➡️Here are some of the benefits of using them:

  • 🔶They can absorb a lot of movement, making them ideal for applications where there is a lot of vibration or expansion and contraction.
  • 🔶They are flexible and can be easily installed.
  • 🔶They are relatively inexpensive.

If you are looking for a way to prevent damage to building materials caused by movement, then it is a good option. They are effective, easy to install, and relatively inexpensive.

➡️Here are some of the drawbacks of using it:

  • 🔶They can be susceptible to damage from weather and chemicals.
  • 🔶They may not be suitable for all applications.
  • 🔶They may not be as aesthetically pleasing as other types of expansion joints.

Overall, they are a reliable and effective way to prevent damage to building materials caused by movement. They are easy to install and relatively inexpensive, making them a good option for many applications.

Does the compensator affect accuracy?

✅A compensator can affect accuracy, but the effect is usually small. In some cases, it can actually improve accuracy by reducing muzzle rise and recoil. However, in other cases, it can worsen accuracy by introducing harmonics into the barrel.

✅The effect on accuracy depends on a number of factors, including the design, the type of firearm, and the ammunition being used. In general, those that are designed to reduce muzzle rise have a smaller impact on accuracy than variants that are designed to reduce recoil.

✅If you are concerned about the effect of it on accuracy, it is best to test it on your firearm with different types of ammunition before you make a final decision.

➡️Here are some of the factors that can affect the accuracy:

  • 🔶The design: Some of them are designed to reduce muzzle rise, while others are designed to reduce recoil. They that are designed to reduce muzzle rise typically have ports that redirect the gasses from the muzzle in a way that counteracts the upward movement of the barrel. Devices that are designed to reduce recoil typically have ports that redirect the gasses in a way that reduces the force of the recoil.
  • 🔶The type of firearm: The effect of it on accuracy can vary depending on the type of firearm. They are typically more effective on rifles than on handguns. This is because rifles have longer barrels, which means that the gasses from the muzzle have more time to escape before they reach the compensator.
  • 🔶The ammunition being used: The type of ammunition being used can also affect the accuracy. Some types of ammunition are more sensitive to harmonics than others. If you are using ammunition that is sensitive to harmonics, it can actually worsen accuracy.

Overall, the effect of a compensator on accuracy is usually small. However, in some cases, it can actually improve accuracy or worsen accuracy. If you are concerned about the effect of it on accuracy, it is best to test it on your firearm with different types of ammunition before you make a final decision.

Is a flame arrester better than a compensator?

🔥A flame arrester and a compensator are two different devices that serve different purposes. A flame arrester is a safety device that prevents the spread of fire, while it is a device that reduces recoil and muzzle rise.

🔷It works by using a series of small holes or slots to disrupt the flow of hot gasses from a fire. This disruption prevents the fire from spreading to other areas. Flame arresters are typically used in flammable environments, such as gasoline storage tanks and oil refineries.

🔷A compensator, on the other hand, works by redirecting the flow of gasses from the muzzle of a firearm. This redirection helps to reduce recoil and muzzle rise, which can improve accuracy. They are typically used on handguns and rifles.

❓So, which is better? It depends on your needs. If you are concerned about fire safety, then a flame arrester is the better option. If you are concerned about recoil and muzzle rise, then a compensator is the better option.

✅Here is a table that summarizes the key differences between them:

Feature Flame Arrester Compensator
Purpose Prevents the spread of fire Reduces recoil and muzzle rise
Location Typically used in flammable environments Typically used on handguns and rifles
Effect on accuracy No effect Can improve or worsen accuracy


Ultimately, the best way to decide which device is right for you is to consult with a qualified gunsmith or firearms instructor.

Are compensators illegal?

✔️Compensators, also known as muzzle brakes, are devices attached to the muzzle end of a firearm to reduce recoil and muzzle rise. The legality of them depends on the jurisdiction and the specific regulations in place.

✔️In many countries, they are legal and commonly used by firearms enthusiasts and competitive shooters. They are typically considered a firearm accessory rather than a restricted or prohibited device. However, certain restrictions may apply depending on local laws. For example, some jurisdictions may have specific regulations regarding the length or dimensions, or they may classify certain types as prohibited based on their design features.

⚠️It is important to research and understand the laws and regulations related to firearms and firearm accessories in your specific jurisdiction to determine the legality. Local law enforcement or firearm regulatory authorities can provide accurate and up-to-date information regarding the legal status in your area.

Do the compensators make the weapon louder?

✅Compensators can potentially increase the noise produced by a firearm. The primary purpose of these devices is to redirect gases and muzzle blasts to counteract recoil and muzzle rise. In doing so, the redirected gases may result in an increase in the overall noise level compared to when a firearm is fired without them.

The extent to which they affect the noise level can vary depending on factors such as their design, the type of ammunition used, and the specific firearm. Some of these devices are designed to mitigate muzzle rise and recoil without significantly increasing noise, while others may amplify the noise to a certain degree.

⚠️It’s important to note that the overall noise level of a firearm is influenced by various factors, including barrel length, ammunition type, and environmental conditions. Adding such devices may affect the noise signature of a firearm, but they are not the sole determinants of how loud a weapon will be when fired.

What is the difference between an expansion joint and a silencer?

An expansion joint and a silencer are two different components used in different contexts.

  1. 🔴Expansion Joint: An expansion joint is a mechanical device used to accommodate the movement and thermal expansion/contraction of pipes, ducts, or other structures. It is typically used in industrial applications where there is a need to absorb or isolate the stresses and movements that occur due to temperature changes, vibration, or seismic activity. Expansion joints are designed to allow for controlled movement in multiple directions while maintaining the integrity of the system. They are primarily used to prevent damage to the structure and ensure efficient operation.
  2. 🔵Silencer (also known as a suppressor): A silencer is a device attached to the muzzle end of a firearm with the goal of reducing the noise and muzzle flash produced when the weapon is fired. Silencers, or suppressors, work by slowing down and cooling the gases that exit the barrel, which reduces the sound signature of the gunshot. They typically contain a series of baffles that help to dissipate and redirect the gases, thus muffling the noise and reducing recoil to some extent. Silencers are primarily used in shooting sports, law enforcement, military applications, and sometimes in areas where noise pollution regulations are in place.

In summary, an expansion joint is used to accommodate movement and thermal expansion in structures, while a silencer is a device attached to firearms to reduce the noise and muzzle flash when firing a weapon. They serve different purposes in different domains.

How to choose a 9mm muzzle brake?

When choosing a 9mm muzzle device, there are several factors to consider.

➡️Here are some key points to help you make an informed decision:

  • ✔️Compatibility: Ensure that the device you choose is specifically designed for 9mm firearms. These devices are often designed for specific calibers, so verify that the one you select is appropriate for use with 9mm ammunition.
  • ✔️Purpose: Determine your intended use for the device. Are you looking to reduce recoil, mitigate muzzle rise, or both? Different devices may excel in different areas, so consider your priorities and select one that aligns with your needs.
  • ✔️Design and Performance: Look for a device with a design that suits your preferences. They come in various shapes, sizes, and styles, each with its own performance characteristics. Consider factors such as the number and configuration of the ports or baffles, as well as the material and construction quality.
  • ✔️Reviews and Recommendations: Read reviews from other firearm enthusiasts who have used the device you are considering. Their experiences can provide valuable insights into the performance, durability, and overall satisfaction with a particular device.
  • ✔️Legal Considerations: Ensure that the device you choose complies with the laws and regulations in your jurisdiction. Some regions may have specific restrictions on these devices, so research and understand the legal requirements before making a purchase.
  • ✔️Budget: Determine your budget for the device. Prices can vary significantly depending on the brand, material, and design. Consider your budget and find a balance between quality and affordability.
  • ✔️Seek Expert Advice: If you are unsure or have specific requirements, consult with experienced shooters, firearms professionals, or knowledgeable staff at gun stores. They can provide personalized recommendations based on your needs and preferences.

Remember that the selection of a 9mm muzzle device is subjective, and what works well for one person may not suit another. It’s essential to evaluate your own shooting style, preferences, and priorities when choosing one.


Today we looked at many interesting options for our pistols and even semi-automatic rifles. Many muzzles specialize in a specific AR or Glock model, but there are also universal offerings with many barrel thread options and even different designs. We tried to find offers that would satisfy any of your needs. Perhaps this is maximum efficiency or a cheap price. We don’t know what you are looking for, so we made this review quite extensive. Time to reward the winners. Let’s remember what we noted for ourselves in this review.

The announcement of the winners turned out to be great because it was difficult for us to pass by. These are truly worthy muzzles that we proudly recommend. That’s all for today, but we are not saying goodbye 🙂

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8 months ago

I’ve been using a compensator on my 9mm pistol for a few years now, and I’m really happy with the results. The recoil is much more manageable, and I’m able to get back on target much faster. However, I’m a little concerned about the added weight and complexity of the compensator. Do you think they’re worth it for a 9mm pistol?

    8 months ago
    Reply to  PhantomNight

    ✅The worthiness of a compensator on a 9mm pistol really comes down to individual preference, specific use cases, and the characteristics of the firearm and shooter. Here are some things to consider:

    • 🎯 Performance Enhancements: As you’ve experienced, it can significantly help with recoil management and enable quicker follow-up shots. This is especially beneficial in competitive shooting environments where speed and accuracy are paramount.
    • Weight and Balance: The added weight from a compensator might be a disadvantage for some, but it could also improve the balance of the firearm, potentially aiding in steadier aim and control. If you find the added weight negatively affects your comfort or shooting experience, it might be a concern. 
    • 🔧Complexity and Maintenance: It can indeed add complexity to a firearm and necessitate extra cleaning and maintenance. This could be viewed as a disadvantage, particularly if you prefer simplicity and minimal upkeep. 
    • 🚶‍♂️ Concealed Carry Considerations: For concealed carry, it can make the firearm bulkier and harder to conceal, which might be a deciding factor for some people. 

    ✅If the benefits you’re seeing in terms of recoil management and improved accuracy outweigh the added weight and complexity, it could well be worth it for you, even on a 9mm pistol. However, if you’re finding the additional weight or upkeep to be a hassle, you might want to consider alternatives or try shooting without it to see if the differences in performance are significant enough to justify its use. 

    ✅Ultimately, the choice is personal and based on your individual needs, preferences, and shooting context.

      8 months ago

      I’ve been using the SLR Synergy 9mm Mini Compensator and it’s been fantastic. The recoil reduction is noticeable and it’s really improved my accuracy. Does anyone know if it’s suitable for barrels shorter than 14.5 inches?

        8 months ago
        Reply to  DuckWhite

        👍As for the SLR Synergy 9mm Mini Compensator, it’s great to hear that it’s been working well for you! In general, compensators can be used on a wide range of barrel lengths. 

        ☝️However, the specific suitability for barrels shorter than 14.5 inches would best be confirmed with the manufacturer or a professional gunsmith, as it may depend on factors like the threading, pressure levels, and the firearm’s overall configuration.

          8 months ago

          The article mentions that compensators can improve shooting performance but come with trade-offs. Can anyone share their experiences with these trade-offs?

            8 months ago
            Reply to  VadorFire

            🔵Using a compensator can definitely improve shooting performance by reducing muzzle rise, improving accuracy, and allowing faster follow-up shots. However, as with most things, there are trade-offs. As mentioned earlier, they add weight and length to the firearm, can increase the noise and blast, and may require more maintenance.

            🔵Anecdotal experiences vary, with some people appreciating the improvements in control and accuracy, while others may find the trade-offs (like noise and maintenance) not worth the benefits, especially for calibers with manageable recoil like the 9mm.

              8 months ago

              The article mentions that some compensators vent gases to the sides. Does this affect the shooter or people nearby in any way?

                8 months ago
                Reply to  TruckPretty

                💨When compensators or muzzle brakes vent gases to the sides, it can increase the perceived noise and concussion for the shooter and people nearby. 

                🚫This can be uncomfortable, especially in confined spaces or indoor ranges. So, yes, it can affect people around the shooter, primarily in terms of noise and pressure wave exposure.

                  8 months ago

                  I’m wondering if a compensator is really necessary for a 9mm pistol. I’ve heard that they can be helpful for larger calibers, but I’m not sure if they’re worth the added weight and complexity for a 9mm.

                    8 months ago
                    Reply to  WarriorRed

                    ✅While compensators are more commonly used with larger caliber firearms, they can also offer benefits for smaller calibers like 9mm. They can help manage muzzle climb and increase the speed of follow-up shots. However, the necessity of a compensator on a 9mm pistol is subjective and largely depends on your shooting style, skill level, and purpose of shooting.

                    ✅On the downside, they can add weight and length to the firearm, potentially making it less convenient to carry. Also, they may complicate the firearm’s cleaning and maintenance processes.

                      8 months ago

                      I’m a little confused about the difference between a compensator and a muzzle brake. Can you explain it in more detail?

                        8 months ago
                        Reply to  FrenchNova

                        Compensators and muzzle brakes are two types of firearm accessories designed to reduce recoil and muzzle climb.

                        ➡️Here’s how they differ:

                        1. ✔️Muzzle Brake: A muzzle brake is designed to redirect the gases exiting the barrel in a way that counteracts the recoil of the firearm. The primary function of a muzzle brake is recoil reduction. They typically vent gases to the sides and sometimes upwards.
                        2. ✔️Compensator: A compensator also redirects gases, but it primarily vents them upwards to counteract muzzle climb (the tendency of the firearm to kick up during firing). The main purpose of a compensator is to keep the firearm on target during rapid fire.
                          8 months ago

                          I’m a competitive shooter, and I’ve found that a compensator can be a real advantage. It helps me to stay on target and make more accurate shots.

                            8 months ago

                            I’ve been using a compensator on my 9mm pistol for a few years now, and I can definitely say that it makes a difference. The recoil is much more manageable, and I’m able to get back on target much faster.

                              8 months ago

                              I appreciate the detailed reviews in this article. I’ve been considering getting a compensator for my 9mm and this has given me a lot to think about.

                                8 months ago

                                I’ve had the TANDEMKROSS Game Changer PRO 9mm Compensator for a few months now and it’s been fantastic. The recoil reduction is noticeable and it’s really improved my accuracy.