Blackout Defense Keymo Hybrid Muzzle Brake

Details

The Blackout KeyMo Hybrid Muzzle Brake is compatible with Dead Air's KeyMo equipped silencers.

Further Intel:

In-house heat treated to condition H900 for a through-hardness of 45-47 HRC
17-4 stainless steel that is heat treated to condition H900 exhibits 14% higher ultimate tensile strength over hardened 4140 steel
Every 90º corner is machined with undercut profiles to improve seal and engagement with the suppressor
4 jet ports drilled at 51 degrees to direct gas forward and away from the shooter
2 jet ports at 12 o’clock, 1 at 4 o’clock and 1 at 8 o’clock
Recessed jet ports with a flat face to reduce carbon buildup on the device and improve ease of separation with a suppressor
Forward-directed gas reduces muzzle rise, softens recoil, and pushes all explosive gasses away from the shooter
Closed-prong design reduces flash and eliminates tuning-fork “ping”
Shim kit included

Technical Specifications:

Bore Diameter: 8.5mm (1/2X28) or 9mm (5/8X24)
Thread Pitch: 1/2X28 or 5/8X24
Material: 17-4 Stainless Steel
Finish: H900 Raw or Black Nitride

What's in the Box:

Blackout Defense KeyMo Hybrid Muzzle Brake
Shim Kit

Specifications

More Information
Dimensions	7x9x1

Product Questions (15)

Customer Questions

What is a muzzle brake and how does it reduce recoil?

A muzzle brake is a device attached to the muzzle of a firearm that redirects gas to counteract recoil. By venting gas sideways or upward, it reduces the backward force and muzzle rise, making it easier to maintain accuracy and control during rapid fire.

Is "muzzle break" the same as "muzzle brake"?

No, "muzzle break" is a common misspelling. The correct term is "muzzle brake," referring to a device that helps reduce recoil.

What is the best muzzle brake for a 6.5 Creedmoor rifle?

Top choices for a 6.5 Creedmoor muzzle brake include the Dead Air Keymo Brake, SilencerCo ASR, and CAT Spooky. These brakes are highly effective at reducing recoil and provide a secure mounting system for silencers.

How do I choose the best muzzle brake for my .308 rifle?

There are tons of great 30 Caliber brakes, look into devices like the Dead Air Keymo Brake, SilencerCo ASR, Q Cherry Bomb, and Dead Air Xeno Brake.

What are the benefits of using a muzzle brake on an AR-15?

A muzzle brake on an AR-15 reduces recoil and muzzle rise, allowing for quicker follow-up shots and improved accuracy. Muzzle brakes can also serve as a secure mounting solution to attach a suppressor for an AR15.

How do I install a muzzle brake on my AR-15?

Installing a muzzle device is simple and can be done with basic tools. Refer to our video to see how to correctly install a muzzle device: https://www.youtube.com/watch?v=6NF-WVnHDz0

What muzzle devices are available for AK rifles?

Many companies make AK-specific muzle devices, featuring common AK thread pitches. Rugged, Dead Air, SureFire, SilencerCo, JMAC Customs, and others have excellent AK muzzle brakes.

Are longer muzzle brakes more effective than shorter ones?

Yes, generally a larger brake will redirect more gas, allowing for more recoil reduction.

Can I use a muzzle device on a 9mm firearm?

Yes, muzzle devices are available for 9mm firearms, typically compensators or flash hiders. These devices help control muzzle rise or reduce flash, enhancing accuracy and visibility during rapid fire. They can also work to attach suppressors.

What is a 1/2x28 muzzle brake and which firearms is it compatible with?

A 1/2x28 muzzle brake has threads sized for barrels with a 1/2x28 pitch, commonly found on AR-15s in 5.56/.223 and many 9mm firearms. Ensure compatibility with your barrel thread pitch before installation.

Do I need a muzzle brake for my 5.56 rifle?

A muzzle brake can enhance control and reduce recoil on a 5.56 rifle, especially for competitive or rapid shooting. Muzzle brakes may also allow you to add a suppressor to your firearm, to reduce recoil and sound while shooting.

Are muzzle brakes effective on shotguns?

Yes, muzzle brakes on shotguns can reduce felt recoil, making shooting more comfortable, particularly with heavy loads. They’re often used for hunting and sport shooting to improve control.

What is a suppressor muzzle brake combo and how does it work?

A suppressor muzzle brake combo combines a muzzle brake with a suppressor mount, allowing for recoil reduction when the suppressor is not attached. When the suppressor is mounted, it further reduces noise and flash.

What's the difference between a muzzle brake and a compensator on an AR-15?

A muzzle brake reduces recoil by redirecting gases sideways, while a compensator redirects gases upward to reduce muzzle rise. Muzzle brakes help with recoil control, and compensators aid in maintaining muzzle alignment for faster follow-up shots.

Can I use a suppressor with a muzzle brake on my firearm?

Yes, many suppressors can attach over a compatible muzzle brake. This setup can reduce recoil and improve sound suppression when the suppressor is mounted, combining the benefits of both devices.

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