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Questions & Answers
Will this work with .224 valkyrie? Expert Answer

Yes, as long as your barrel is 1/2x28 threaded.

by Jonathan D., Gear Expert, December 26, 2018
Do I need a crush washer with this muzzle brake. Featured Answer

Yes a crush washer is needed to properly install this muzzle brake, it clocks the gas ports correctly and takes the gap out between the barrel treaded end and the back end of the muzzle brake. The crush washer comes with this unit so install and torque muzzle brake to spec, verify the ports align properly top holes at 12 O'clock side ports at 3 and 9..........now go play!

by Jlest1957, Verified Owner, June 13, 2018
Customer Reviews
Helpful Positive Review
I watched a lot of online reviews of muzzle brakes and was very impressed with the Fortis RED brake. I am putting this one on my .22 ARC build. I will follow up with results when I get out to the range
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Product Info for Fortis Manufacturing 5.56MM R.E.D. Barrel Muzzle Brake

Our new Rapid Engagement Device, or better known as the Fortis RED, is a brake that stays true to our brand. We wanted to develop, engineer, and design a military grade accessory that not only functions great, but looks great also. Tested and evaluated by people in the military and law enforcement community - then put to the test by members of the 3 gun community, we came up with this design. Tested under harsh full auto conditions, the RED doesn't disappoint.image

Keep your speed and accuracy up. Put more down range and on target. Try out the Fortis RED and let us know what you think!

Specifications for Fortis Manufacturing 5.56MM R.E.D. Barrel Muzzle Brake:

Manufacturer: Fortis Manufacturing
Caliber: 5.56x45mm NATO, .223 Remington
Gun Model: AR-15
Condition: New

Features of Fortis Manufacturing 5.56MM R.E.D. Barrel Muzzle Brake:

  • 4140 Steel
  • Nitride coated
  • For the .223 / 5.56
  • 1/2 x 28 TPI
  • Comes with a crush washer
  • 2.4 ounces
  • 2.194 in

Package Contents:

  • Fortis Manufacturing 5.56MM R.E.D. Barrel Muzzle Brake

Fortis Manufacturing 5.56MM R.E.D. Barrel Muzzle Brake Orderable Models

List of Orderable Models

  • Fortis Manufacturing 5.56MM R.E.D. Stainless Steel Barrel Muzzle Brake 556-RED-SS , MPN: 556-RED-SS , UPC: 810103343962 , Code: 2GN-BMB-RD56MMB-556-RED-SS
  • Fortis Manufacturing 5.56MM R.E.D. Black Nitride Coated Barrel Muzzle Brake 556-RED-BLK , MPN: 556-RED-BLK , UPC: 810103343955 , Code: 2GN-BMB-RD56MMB-556-RED-BLK

Fortis Manufacturing 5.56MM R.E.D. Barrel Muzzle Brake Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Fortis Manufacturing 5.56MM R.E.D. Stainless Steel Barrel Muzzle Brake 556-RED-SS , MPN: 556-RED-SS-EDEMO , Code: 2GN-BMB-RD56MMB-556-RED-SS-EDEMO-SC-C
  • USED, Fortis Manufacturing 5.56MM R.E.D. Black Nitride Coated Barrel Muzzle Brake 556-RED-BLK , MPN: 556-RED-BLK-EDEMO , Code: 2GN-BMB-RD56MMB-556-RED-BLK-EDEMO-RE-B
  • USED, Fortis Manufacturing 5.56MM R.E.D. Black Nitride Coated Barrel Muzzle Brake 556-RED-BLK , MPN: 556-RED-BLK-EDEMO , Code: 2GN-BMB-RD56MMB-556-RED-BLK-EDEMO-RE-C
  • Open Box, Dealer Demo, Fortis Manufacturing 5.56MM R.E.D. Stainless Steel Barrel Muzzle Brake 556-RED-SS , MPN: 556-RED-SS-DMO , Code: 2GN-BMB-RD56MMB-556-RED-SS-DMO
  • Open Box, Dealer Demo, Fortis Manufacturing 5.56MM R.E.D. Black Nitride Coated Barrel Muzzle Brake 556-RED-BLK , MPN: 556-RED-BLK-DMO , Code: 2GN-BMB-RD56MMB-556-RED-BLK-DMO
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Last updated 2026-06-29 UTC.