7 Best Muzzle Brakes for 300 Win Mag Rifles

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December 7, 2021

If you are a long-range shooting enthusiast, you know how challenging it can be to get those tight shot placements consistently. When you are trying to squeeze an extra half-inch out of your groupings, particularly with a rifle known for significant recoil, your ideal muzzle device might just be the muzzle brake. Let’s take a look at the 7 best muzzle brakes for the 300 Win Mag rifle family.

Best Muzzle Brakes for 300 Win Mag Rifles

Seekins Precision AR ATC Muzzle Brake

seekins precision ar atc muzzle brake

The Seekins Precision ATC is easy to install and works like a dream. This technologically advanced muzzle brake helps cut down on recoil and muzzle rise, allowing you to shoot successive shots in quick succession, which is great for rapid-fire target practice.

Key Features:

  • Installation and removal are easy
  • FIts a variety of guns
  • Cuts recoil in half for many people

Precision Armament AR .308 M11 Muzzle Brake

precision armament ar .308 m11 muzzle brake

The PA M11 is a nearly perfect brake. It gives you an incredibly thin baffle thickness so your shot is less disturbed in early flight. It has symmetrical blast baffles that easily redirect up and out, reducing felt recoil immensely, as well as lessening muzzle climb and ground disturbance.

Key Features:

  • CNC machined and highly heat and corrosion resistant
  • Super-affordable
  • Easy and predictable installation

VG6 Precision Lambda Muzzle Brake

vg6 precision lambda muzzle brake

The Precision Lambda is one of the more severe-looking brakes that we’ve reviewed, but the performance and ease of use make it one of the best. Installs and removes without tools, and self tightens with each shot.

Key Features:

  • Recoil is nearly eliminated
  • Timing is simple even without tools
  • The state-of-the-art design is aided by advanced fluid dynamics calculations

Area 419 – Sidewinder Magnum Muzzle Brake

area 419 - sidewinder magnum muzzle brake

The Area 419 from Remington is another excellent option for the 300 Win Mag and comes in two finishes. The recoil reduction is formidable and makes this a great brake for practice shooting and hunting applications.

Key Features:

  • Available for 4 calibers: 6.5mm, 30 Cal, 338 Cal, 375 Cal
  • Wide-open vents for durability and simplicity
  • A good match for OEM Win Mags.

SureFire 3-Prong

sureFire 3-prong

The SureFire 3-Prong is another very unique-looking muzzle brake, but it works surprisingly well. The design not only fights recoil but also has a robust flash-hiding ability. It is coated to ensure lasting operability and is perfect for low-light operation.

Key Features:

  • No pinging
  • Includes suppressor adaptor
  • Super-easy mounting

Ultradyne APOLLO Muzzle Brake

ultradyne apollo muzzle brake

The APOLLO muzzle brake is one of the best for really long-distance shots. It reduces recoil enough that the target can remain in the sights and splash can be seen. The compensation ports also help keep the gases out of the sightline.

Key Features:

  • Fits a wide variety of 300 Win Mag models
  • Stress-free operation
  • Includes a timing nut

Vais Muzzle Brake

vais muzzle brake

The Vais muzzle brake is designed with both vertical and horizontal vents that redirect the gasses evenly to all sides. It gives plenty of space for the expansion while helping push down muzzle climb without a blast increase.

Key Features:

  • Muzzle brakes are made in America
  • Recoil is reduced
  • Wide compatibility range

What Is A Muzzle Brake?

A muzzle brake is a muzzle device that is fitted to the end of the barrel that functions to reduce felt recoil. They are often relatively simple steel tubes with various cuts or perforations in them that allow the gases to escape in a more controlled manner.

When you fire a shot, the rapidly expanding gases that push your round downrange need to brace themselves against something, and that something is the rest of the gun. This equal and opposite reaction is what creates the felt recoil. This is where the perforations in the brake do their thing.

The way the brake vents the gases will ultimately determine how the force of recoil is partially redirected. If the brake has significant venting upwards, it will contribute a downward force to help you mitigate muzzle climb. If the gases are vented laterally, parallel to the ground, it can help reduce the amount of rearward recoil felt.

Will I Need A Muzzle Brake For My 300 Win Mag?

This is going to depend highly on how comfortable you are while shooting. The 300 Win Mag is not a gentle cartridge, and so while the recoil isn’t often painful, it can become relatively uncomfortable after more than just a shot or two. Many shooters have never used a muzzle brake, but after trying one on their favorite gun simply won’t look back.

In many cases, they reduce the felt recoil by enough to make you think you’re shooting a different gun. If you use some form of support for your shots, such as a bipod or a tripod, you will have far lower target reacquisition time as well, due to the reduced movement overall during a shot. Depending on the exact muzzle brake you choose, you may also benefit from reduced ground disturbance, since the gases that would normally have escaped the barrel downwards are redirected.

Does A Muzzle Brake Affect Velocity Or Range?

A muzzle brake will extend the length of the barrel a few inches, and will not reduce the muzzle velocity of a fired round. Since a muzzle brake does not lower velocity, it also leaves your effective projectile range intact. They also will not require that you change your ammunition to anything subsonic, and only require low-drag rounds if you’re looking to reach out and touch something that is 800-1200 yards away.

Are There Downsides To Putting A Muzzle Brake On A 300 Win Mag?

So you know the upsides of using a muzzle brake, but we all know that there is going to be some sort of downside that you need to take in trade. Rest assured, there are a couple, and while they aren’t game-changing, they certainly should be considered before you commit to one.

They Can Be Loud

This is probably the most significant downside to a muzzle brake on your 300 Win Mag. They will require ear protection in any situation since a large part of the shot’s report will be redirected. It’s no longer solely directed away from you, and this can mean hearing damage.

They Change The Way You Shoot

Many people consider this to be an upside, but if you aren’t ready for it or don’t have time to relearn how your gun is going to shoot, it can be a robust negative. There will be a noticeable change to how you shoot, and you will need some practice after affixing a brake.

Occasionally someone will determine that their accuracy overall is diminished while using a brake, but there is no way to know without trying it.

It Can Add Time And Effort To Your Cleaning Routine

This is not something that should make or break your purchase decision, but you should know that cleaning a gun with a muzzle brake will need a little more work than you normally put in.

You will need to remove the brake before cleaning, or you will end up pushing all kinds of crud into it. Clean your gun as you normally would, then clean the brake separately. Make sure you use a pipe cleaner with powder solvent to clean the carbon deposits from the holes and keep those threads lubed to prevent seizing.

What To Consider In Your Muzzle Brake

Here are three factors that should weigh heavily on your final decision of which muzzle brake to use.

Recoil Reduction

This is the primary reason that you’re going to be using your muzzle brake, so obviously, it should be doing its job admirably. Rifles like the 300 Win Mag that use very powerful, supersonic ammunition will nearly always have high recoil rates. All of the muzzle brakes we highlight here will reduce recoil considerably.

Length

Muzzle brakes are generally a couple of inches long, so depending on the model you choose, be prepared to have that change the handling and size of the original gun. This will often only figure into things when moving with the gun or transporting it, though.

Installation

The ideal muzzle brake will not need any special tools or gunsmithing skills to either install or remove. If your 300 Win Mag barrel is not threaded, however, it may require permanently modifying your barrel to accommodate threaded muzzle devices.

Every product is hand selected by our editors. We may receive commissions on purchases from a link.

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