The Dead Air Keymo Muzzle Brake is a precision-engineered muzzle device built to work as either a standalone recoil reducer or as the quick-attach interface for Dead Air's Sandman Series suppressors and other KeyMo-equipped cans. If you're shopping for a muzzle brake that delivers genuine performance while leaving your options open for future suppressor integration, this is the platform to build around.
Dead Air's sealed taper design keeps the brake itself positioned forward of the suppressor's KeyMo locking channels, which means you can attach and remove suppressors without worrying about carbon-lock. That's a practical advantage over traditional monolithic brake-and-can combinations. As a standalone brake, it's engineered to reduce recoil and concussion more effectively than generic options, giving you a flatter-shooting rifle without the blast signature of a bare muzzle.
The Keymo Muzzle Brake comes in several versions to match your rifle's bore and thread pitch. If you're running a Sako or another .30-caliber platform, Dead Air offers 1/2-28 and 5/8-24 versions; larger magnum calibers use the 3/4-24, M18-1, or M18-1.5 configurations to fit .338 bore guns. Weight varies slightly by model (3.90 to 4.42 oz.), and all feature a durable black nitride finish on 4140 HT steel. Some versions include a pre-drilled hole for pin-and-weld installation if you need a permanent setup.
Key Features
- KeyMo quick-attach interface compatible with Sandman Series and other KeyMo-equipped suppressors
- Sealed taper design prevents carbon-lock between brake and suppressor
- Reduces recoil and concussion when used as a standalone muzzle brake
- Available in multiple thread pitches and bore sizes to match your rifle
- Black nitride finish on 4140 HT alloy steel for durability
- Some models include pre-drilled hole for pin-and-weld options
Specifications
| Brand | Dead Air Armament |
| Material | 4140 HT Alloy Steel |
| Finish | Black Nitride |
| Overall Length | 2.82" |
| Weight | 3.90–4.42 oz. (varies by model) |
| Thread Pitches | 1/2-28, 5/8-24, 3/4-24, M18-1, M18-1.5 |
| Bore Sizes | .30 caliber (1/2-28, 5/8-24); .338 caliber (3/4-24, M18-1, M18-1.5) |
| Mounting System | KeyMo quick-attach |
Frequently Asked Questions
Will this muzzle brake work with Dead Air suppressors?
Yes. The KeyMo interface is designed for use with Dead Air's Sandman Series suppressors and other KeyMo-equipped cans. The sealed taper design allows suppressors to be attached and removed without risk of carbon-locking.
What thread pitch and bore size do I need for my Sako rifle?
Thread pitch and bore size depend on your specific Sako caliber and barrel. The Keymo Muzzle Brake is available in 1/2-28 and 5/8-24 threads for .30 caliber rifles, and 3/4-24, M18-1, or M18-1.5 threads for .338 caliber magnums. Verify your rifle's specifications before ordering to ensure proper fit.
Can this brake be permanently installed on my rifle?
Some models (DA101 and DA102) include a pre-drilled hole at the 6 o'clock position for pin-and-weld installation. Other versions (DA103, DA104, DA106) do not have this feature. Check the specific model you're considering if permanent installation is required.
Do I need a suppressor to use this muzzle brake?
No. The KeyMo Muzzle Brake functions as a standalone recoil and concussion reducer. You can use it without a suppressor, and add a KeyMo-compatible suppressor later when you're ready.
