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Questions & Answers
Will it work with a direct thread Gemtech suppressor for 6.5 Grendel? Manufacturer Answer

This muzzle device will require a Plan B HUB on your suppressor, the Plan B HUB will thread onto the Plan B muzzle brake.

by Breek Arms, Manufacturer, March 11, 2026
Will the work with the Trash Shield - HUB Compatible Blast Shield Manufacturer Answer

The HUB compatible Trash Shield has the HUB standard 1.375x24 threading, so to attach to our Plan B muzzle devices it will require a Plan B to HUB adapter, like our Plan B HUB ONE, https://www.opticsplanet.com/breek-arms-plan-b-hub-one-low-profile-universal-suppressor-mount.html

by Breek Arms, Manufacturer, February 4, 2026
Customer Reviews
Expert Review
Great For Shorty Builds by Andrew, Gear Expert, November 6, 2025
If you’re putting together a short-barrel AR build or just want a tiny, no-nonsense muzzle device that actually helps follow-ups, the Breek Arms Plan B Echo is a solid little piece — compact, light, and nicely machined with a tough nitride finish. It...
Read More...
Helpful Positive Review
Performs well with suppressor! by Rikr, Verified Owner, February 4, 2026
Greatly improved recoil using these in conjunction with the breek hub mount on my 6.5 Grendel’s running a banish buck 30. Believe it adds to the sound deadening of the suppressor too. Can’t beat the price! Jesus saves and is God- Repent and trust Him...
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1/1 found this helpful
Helpful Positive Review
Superb Quality by Echo Delta, October 13, 2025
Very impressed with the quality of machining and overall finish of these new Plan B brakes. Absolutely flawless lines with no machining marks, high quality steel, and sharp threads. Couldn't ask for more at this price point.
1/1 found this helpful
Most Recent Reviews
The Echo Single Port is just ok for the price. It does what it is supposed to do, reduce some recoil, and attach it to a Plan B adapter. However, compared to other manufacturers in this price range, the uzzle brake is "rough." There are defined machi...
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Most Recent Reviews
Great muzzle device and suppressor mount! by BMan, Verified Owner, April 3, 2026
This Breek Arms Sentinel Plan B system is awesome, and this muzzle device is an essential component in order to enable separate rifles of different calibers to mount a single, adaptable suppressor and be able to move it among these rifles. All at a ...
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Most Recent Reviews
solid SPB with plan B mount by Gary, Verified Owner, March 3, 2026
Got the Breek muzzle break recently - primarily for the plan B mount, but was surprised by the fit/function. It really works well for more than just mounting a suppressor. Definitely worth the price as just a b-mount alone.
Read All 6 Reviews
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Product Info for Breek Arms Plan B Echo Single Port Muzzle Brake

Ultra-compact single-port design for the Plan B mounting system. The Breek Arms Plan B Echo Single-Port Muzzle Brake significantly reduces recoil and muzzle rise through 90 degrees horizontal blast-vectoring ports keeping your rifle flat, fast, and ready for seamless suppressor swaps.image

Specifications for Breek Arms Plan B Echo Single Port Muzzle Brake:

Manufacturer: Breek Arms
Color: Black
Finish: Nitride
Fabric/Material: 4140 Steel
Outer Diameter: 1 in
Length: 1.75 in

Features of Breek Arms Plan B Echo Single Port Muzzle Brake

  • The Plan B Echo is a Single-Port Muzzle Brake with an ultra-compact design featuring a single oversized lateral port which vectors gas 90 degrees left and right for slashing felt recoil, muzzle-rise reduction, competition-grade stability, minimal blowback.

Package Contents:

  • Breek Arms Plan B Echo Single Port Muzzle Brake
  • Peel Washer

Breek Arms Plan B Echo Single Port Muzzle Brake Orderable Models

List of Orderable Models

  • Breek Arms Plan B Echo Single Port Muzzle Brake, .223 Remington/5.56x45mm NATO, 1/2x28, Nitride, Black, BRK4430 , MPN: BRK4430 , UPC: 812296031794 , Code: 4TY-BMB-BAMD04-BRK4430
  • Breek Arms Plan B Echo Single Port Muzzle Brake, .30 Carbine, 5/8x24, Nitride, Black, BRK4431 , MPN: BRK4431 , UPC: 812296031787 , Code: 4TY-BMB-BAMD04-BRK4431
  • USED, Breek Arms Plan B Echo Single Port Muzzle Brake, .30 Carbine, 5/8x24, Nitride, Black, BRK4431 , MPN: BRK4431-EDEMO , Code: 4TY-BMB-BAMD04-BRK4431-EDEMO-RE-B

Breek Arms Plan B Echo Single Port Muzzle Brake Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Breek Arms Plan B Echo Single Port Muzzle Brake, .223 Remington/5.56x45mm NATO, 1/2x28, Nitride, Black, BRK4430 , MPN: BRK4430-EDEMO , Code: 4TY-BMB-BAMD04-BRK4430-EDEMO-OB-C
  • USED, Breek Arms Plan B Echo Single Port Muzzle Brake, .223 Remington/5.56x45mm NATO, 1/2x28, Nitride, Black, BRK4430 , MPN: BRK4430-EDEMO , Code: 4TY-BMB-BAMD04-BRK4430-EDEMO-RE-B
  • USED, Breek Arms Plan B Echo Single Port Muzzle Brake, .223 Remington/5.56x45mm NATO, 1/2x28, Nitride, Black, BRK4430 , MPN: BRK4430-EDEMO , Code: 4TY-BMB-BAMD04-BRK4430-EDEMO-OB-A
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