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Plan B Echo 5.56 Nato Single-Port Muzzle Brake - Plan B Echo 5.56 Nato Single-Port Muzzle Brake 1/2x28''''
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$59.95
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SKU: 430115547
Overview
Built for 5.56 rifles using the Plan B mounting system, this ultra-compact muzzle brake is intended to help manage recoil and muzzle rise while supporting fast suppressor changes. Its single-port layout and horizontal blast-vectoring ports are designed for shooters who want a flatter rifle during rapid strings without adding much length to the muzzle. With 1/2 x 28 threading and compatibility for .223/5.56, it suits compact setups where a streamlined front end matters. The trade-off is that its purpose is specialized: it is focused on brake performance and Plan B mounting rather than general-purpose use.
Why Hunters Choose the Breek Arms
Ultra-compact Single-port
Design suited to the Plan
Fast Attach
Compatibility for Plan B suppressor
90-degree Horizontal
Blast-vectoring ports are specified to
Compact 1.75-inch
Overall length keeps the muzzle
Lightweight 2.3-ounce
Design adds minimal front-end weight
Key Features
- Ultra-compact single-port muzzle brake for the Plan B mounting system.
- Designed for 5.56 NATO and .223 caliber rifles.
- Uses 90-degree horizontal blast-vectoring ports.
- Fast-attach setup supports seamless suppressor swaps with Plan B mounts.
- Thread pitch is 1/2 x 28 TPI.
- Constructed from 4140 hardened steel with a nitride finish.
Best Used For
- Hunters running a Plan B suppressor setup who want fast swaps between suppressed and unsuppressed shooting.
- AR-15 owners chambered in .223/5.56 with 1/2x28 threads seeking a compact muzzle brake.
- Shooters prioritizing a flatter rifle during rapid strings and controlled follow-up shots.
- Users who prefer a single-port brake and want to keep muzzle device length to a minimum.
Specifications
| Caliber | 223/5.56 |
|---|---|
| Fast Attach | Yes |
| Material | 4140 Hardened Steel, Nitride |
| Mounting System | Plan B |
| Overall Length | 1.75 in |
| Port Design | Single-port |
| Thread Pitch | 1/2 x 28 TPI |
| Weight | 2.3 oz |
Pros
- Ultra-compact single-port design suited to the Plan B mounting system.
- Fast attach compatibility for Plan B suppressor mounts.
- 90-degree horizontal blast-vectoring ports are specified to reduce recoil and muzzle rise.
- Compact 1.75-inch overall length keeps the muzzle device low-profile.
- Lightweight 2.3-ounce design adds minimal front-end weight.
- Sized for .223/5.56 with 1/2 x 28 TPI threading.
Considerations & Trade-offs
- Designed specifically for the Plan B mounting system, so it is not a universal muzzle device and requires compatible suppressor hardware.
- The single-port, ultra-compact layout may offer less blast mitigation than larger or multi-port brake designs, depending on the rifle setup.
- At 1.75" overall length, it is compact, but it still adds a dedicated muzzle device to the rifle and should be considered in overall front-end length.
- Thread pitch is 1/2 x 28 TPI and caliber is listed for .223/5.56, so fitment is limited to compatible barrels and chamberings.
Suggested Comparisons
- Muzzle brake
- Suppressor mounting device
- AR-15 muzzle device
- 5.56 NATO rifle accessory
Suggested Accessories
- Suppressor mount
- Thread protector
- Armorer's wrench
- Muzzle device shim kit
Frequently Asked Questions
What suppressor mounting system is this brake made for?
It is made for the Plan B suppressor mounting system and is described as a fast-attach brake for Plan B suppressor mounts.
What caliber and thread pitch does this muzzle brake fit?
The listed caliber is .223/5.56, and the thread pitch is 1/2 x 28 TPI.
What are the listed dimensions and weight?
The listed weight is 2.3 oz and the overall length is 1.75 inches.
What material and finish are provided in the product data?
The product data lists 4140 hardened steel with a nitride finish.
What does the product description say about its brake design?
It is described as an ultra-compact single-port design with 90-degree horizontal blast-vectoring ports, intended to reduce recoil and muzzle rise.