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Customer Reviews
Helpful Positive Review
Exceptional Muzzle Brake by Yann, February 1, 2025
Mainly got this for it’s added length on a 13.7 It does come with shims 4x0.004, 5x.0.006, 1x0.060 however mechanically speaking you shouldn’t use the whole shim pack to time a muzzle brake and the combination of shims I had wasn’t cutting it. I’d su...
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1/1 found this helpful
Helpful Positive Review
Dead Air Keymo muzzel brake by Vic, Verified Owner, December 1, 2024
Would be nice if the flats tor a wrench were more armorer wrench accessible.
1/1 found this helpful
Most Recent Reviews
Keymo Muzzle Brake by Joe, Verified Owner, January 20, 2026
I’ve bought several of these breaks for my 30 calibers. Never had any issues using them. Great price and easy to install on your own. Will purchase again in the future if needed. I recommend this muzzle brake for your suppressor set up.
Most Recent Reviews
Muzzle break by Dave, Verified Owner, January 11, 2026
Best muzzle break I have tried. Alot less recoil reduction than others I have tried.
Most Recent Reviews
Solid and secure by Hagfin, Verified Owner, December 17, 2024
Keymo is the best suppressor attachment design, solid and secure, quick and easy, and I've tried others. All of my SR platforms use this muzzle break and OP is my first choice for purchasing. The kit includes a variety of shims for perfect timing. Th...
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Most Recent Reviews
Dead Air Armament Keymo Muzzle Brake by Joe, Verified Owner, August 23, 2025
This is my 4th muzzle brake for my rifles. Easy to install and works well with my suppressor. I definitely recommend this item for purchase.
Read All 33 Reviews
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Product Info for Dead Air Armament Keymo Muzzle Brake

The KeyMo Muzzle Brake is your gateway to silence. When you're ready for peace and quiet use the KeyMo brake to quickly attach your Sandman Series or KeyMo equipped suppressor to your rifle. If you're not quite ready to turn up the silence, you can still employ the finest brake on the market and experience a flatter shooting rifle with minimal concussion compared to traditional muzzle brakes. When it comes to removal, the suppressor can be easily removed without carbon-locking onto the mount. 1/2-28, 5/8-24, 3/4-24, M18-1, & M18-1.5 do not come with timing shimsimage

WARNING: California`s Proposition 65

Specifications for Dead Air Armament Keymo Muzzle Brake:

Manufacturer: Dead Air Silencers
Color: Black
Condition: New

Package Contents:

  • Dead Air Armament Keymo Muzzle Brake

Dead Air Armament Keymo Muzzle Brake Orderable Models

List of Orderable Models

  • Dead Air Armament KeyMo Muzzle Brake, 5/8x32 Threads, 45 Cal, Black, DA162 , MPN: DA162 , UPC: 810128161565 , Code: 29F-BMB-DA-KEYMOMB-DA162
  • Dead Air Armament Keymo Muzzle Brake, M18x1.5 Thread, .338 caliber, DA106 , MPN: DA106 , UPC: 810042340299 , Code: 29F-BMB-DA-KEYMOMB-DA106
  • Dead Air Armament KeyMo Muzzle Brake,11/16x24 Threads, 45 Cal, Black, DA163 , MPN: DA163 , UPC: 810128161572 , Code: 29F-BMB-DA-KEYMOMB-DA163
  • Dead Air Armament Keymo Muzzle Brake, M18x1 Thread, .338 caliber, DA104 , MPN: DA104 , UPC: 810042340275 , Code: 29F-BMB-DA-KEYMOMB-DA104
  • Dead Air Armament Keymo Muzzle Brake, 5/8-24 Thread, .30 caliber, DA102 , MPN: DA102 , UPC: 810128160391 , Code: 29F-BMB-DA-KEYMOMB-DA102
  • Dead Air Armament KeyMo Muzzle Brake, .578-28 Threads, 45 Cal, Black, DA160 , MPN: DA160 , UPC: 810128161541 , Code: 29F-BMB-DA-KEYMOMB-DA160
  • Dead Air Armament KeyMo Muzzle Brake, 5/8x24 Threads, 45 Cal, Black, DA161 , MPN: DA161 , UPC: 810128162531 , Code: 29F-BMB-DA-KEYMOMB-DA161

Dead Air Armament Keymo Muzzle Brake Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Dead Air Armament KeyMo Muzzle Brake, 5/8x24 Threads, 45 Cal, Black, DA161 , MPN: DA161-EDEMO , Code: 29F-BMB-DA-KEYMOMB-DA161-EDEMO-IN-B
  • USED, Dead Air Armament Keymo Muzzle Brake, 5/8-24 Thread, .30 caliber, DA102 , MPN: DA102-EDEMO , Code: 29F-BMB-DA-KEYMOMB-DA102-EDEMO-DF-C
  • USED, Dead Air Armament Keymo Muzzle Brake, 5/8-24 Thread, .30 caliber, DA102 , MPN: DA102-EDEMO , Code: 29F-BMB-DA-KEYMOMB-DA102-EDEMO-RE-B
  • USED, Dead Air Armament Keymo Muzzle Brake, 1/2-28 Thread, .30 caliber, DA101 , MPN: DA101-EDEMO , Code: 29F-BMB-DA-KEYMOMB-DA101-EDEMO-WP-F
  • USED, Dead Air Armament Keymo Muzzle Brake, 1/2-28 Thread, .30 caliber, DA101 , MPN: DA101-EDEMO , Code: 29F-BMB-DA-KEYMOMB-DA101-EDEMO-RE-A
  • USED, Dead Air Armament Keymo Muzzle Brake, 1/2-28 Thread, .30 caliber, DA101 , MPN: DA101-EDEMO , Code: 29F-BMB-DA-KEYMOMB-DA101-EDEMO-RE-C
  • USED EDEMO Dead Air Armament Keymo Muzzle Brake, 5/8-24 Thread, .30 caliber, DA102, EDEMO3, EDEMO1, Condition Fair, Other , MPN: DA102-EDEMO3-EDEMO1 , Code: 29F-BMB-DA-KEYMOMB-DA102-EDEMO3-EDEMO-OT-D
  • USED Dead Air Armament Keymo Muzzle Brake, 1/2-28 Thread, .30 caliber, DA101, EDEMO5, Used, Condition Fair , MPN: DA101-EDEMO5 , Code: 29F-BMB-DA-KEYMOMB-DA101-EDEMO5
  • USED Dead Air Armament Keymo Muzzle Brake, 1/2-28 Thread, .30 caliber, DA101, EDEMO8, Condition Like New, Open Box , MPN: DA101-EDEMO8 , Code: 29F-BMB-DA-KEYMOMB-DA101-EDEMO-OB-A
  • USED Dead Air Armament Keymo Muzzle Brake, 1/2-28 Thread, .30 caliber, DA101, EDEMO9, Used, Condition Like New , MPN: DA101-EDEMO9 , Code: 29F-BMB-DA-KEYMOMB-DA101-EDEMO9
  • USED, Dead Air Armament Keymo Muzzle Brake, 1/2-28 Thread, .30 caliber, DA101 , MPN: DA101-EDEMO , Code: 29F-BMB-DA-KEYMOMB-DA101-EDEMO-RE-B
  • USED, Dead Air Armament Keymo Muzzle Brake, 5/8-24 Thread, .30 caliber, DA102 , MPN: DA102-EDEMO , Code: 29F-BMB-DA-KEYMOMB-DA102-EDEMO-RE-A
  • USED, Dead Air Armament Keymo Muzzle Brake, 5/8-24 Thread, .30 caliber, DA102 , MPN: DA102-EDEMO , Code: 29F-BMB-DA-KEYMOMB-DA102-EDEMO-US-C
  • USED Dead Air Armament Keymo Muzzle Brake, 5/8-24 Thread, .30 caliber, DA102, EDEMO7, Used, Condition Fair , MPN: DA102-EDEMO7 , Code: 29F-BMB-DA-KEYMOMB-DA102-EDEMO7
  • USED Dead Air Armament Keymo Muzzle Brake, 5/8-24 Thread, .30 caliber, DA102, EDEMO8, Used, Condition Fair , MPN: DA102-EDEMO8 , Code: 29F-BMB-DA-KEYMOMB-DA102-EDEMO8
  • USED Dead Air Armament Keymo Muzzle Brake, 5/8-24 Thread, .30 caliber, DA102, EDEMO9, Used, Condition Like New , MPN: DA102-EDEMO9 , Code: 29F-BMB-DA-KEYMOMB-DA102-EDEMO9
  • USED, Dead Air Armament Keymo Muzzle Brake, 5/8-24 Thread, .30 caliber, DA102 , MPN: DA102-EDEMO , Code: 29F-BMB-DA-KEYMOMB-DA102-EDEMO-RE-C
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