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Surefire SOCOM Muzzle Brake Suppressor Adapter AR-15 1/2"-28 Thread Steel
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$169.99
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SKU: SFMB-556-1-2X28-084871319256
Overview
Built for AR-15 platforms with 1/2"-28 muzzle threads, this muzzle brake is intended to reduce recoil impulse and muzzle rise while also serving as a mounting adapter for SureFire SOCOM Series 5.56 mm Fast-Attach suppressors. Its Impulse Diffusion design is described as minimizing side blast and rear-directed concussion, making it a practical choice for shooters who want a more controlled feel during rapid strings. The brake is precision machined from stainless steel with a matte black finish, and the design includes features for suppressor alignment, carbon management, and indexing. It is a specialized component for users who need both brake performance and suppressor compatibility in one setup.
Why Hunters Choose the Sure Fire
Fits M4/m16
1/2"-28 muzzle threads for AR-15
Reduces Recoil
Impulse and muzzle rise for
Patented Impulse
Diffusion design helps minimize side
Serves As
Mounting adapter for SureFire SOCOM
Multiple Bearing
A SOCOM Series suppressor
Key Features
- Fits M4/M16 weapons and variants with 1/2"-28 muzzle threads.
- Reduces recoil impulse and muzzle rise for faster shot-to-shot recovery.
- Patented Impulse Diffusion design minimizes side blast and rear-directed concussion.
- Serves as a mounting adapter for SureFire SOCOM Series 5.56 mm Fast-Attach suppressors.
- Precision machined from heat-treated stainless steel with single-point cut threads.
- Black Ionbond DLC coating is designed to aid cleaning and provide added protection.
Best Used For
- AR-15 owners using 1/2"-28 threads who want a suppressor-ready muzzle device
- Shooters focused on reducing recoil impulse and muzzle rise for faster follow-up shots
- Users pairing a SureFire SOCOM Series 5.56 mm Fast-Attach suppressor
- Builders needing a muzzle brake with blind pilot holes for indexing or pin-and-weld setups
Specifications
| Blade Finish | Matte |
|---|---|
| Compatible With | AR-15 |
| Country Of Origin | United States Of America |
| Material | Steel |
| Threads | 1/2"-28 |
Pros
- Fits M4/M16 variants with 1/2"-28 muzzle threads for AR-15 compatibility.
- Reduces recoil impulse and muzzle rise for faster shot-to-shot recovery.
- Patented Impulse Diffusion design helps minimize side blast and rear-directed concussion.
- Serves as a mounting adapter for SureFire SOCOM Series 5.56 mm Fast-Attach suppressors.
- Multiple bearing surfaces support suppressor alignment when used with a SOCOM Series suppressor.
- Blind pilot holes allow recoil tuning, bottom-dead-center indexing, and pin-and-weld installation.
Considerations & Trade-offs
- Designed around 1/2"-28 muzzle threads, so it is limited to compatible M4/M16 and AR-15 variants rather than being a universal fit.
- As a muzzle brake, it is intended to reduce recoil impulse and muzzle rise, but that benefit comes with the usual brake trade-off of added muzzle device complexity on the rifle.
- Its suppressor-adapter function is specific to SureFire SOCOM Series 5.56 mm Fast-Attach suppressors, so it is not a general-purpose suppressor mount.
- The product includes blind pilot holes for tuning and pin-and-weld applications, but those features require appropriate tools and setup to use correctly.
Suggested Comparisons
- AR-15 muzzle brake
- Suppressor mounting adapter
- 5.56 mm muzzle device
- Threaded muzzle accessory
Suggested Accessories
- Suppressor pouch
- Cleaning supplies
- Thread protector
- Armorer's tools
Frequently Asked Questions
What firearms does this muzzle brake fit?
It fits M4 / M16 weapons and variants with 1/2"-28 muzzle threads, including AR-15 platforms with that thread pattern.
Can this be used as a suppressor mount?
Yes. The SFMB-556-1/2-28 also serves as a mounting adapter for SureFire SOCOM Series 5.56 mm Fast-Attach suppressors.
What is the purpose of the Impulse Diffusion design?
According to the product description, the patented Impulse Diffusion design is intended to minimize side blast and rear-directed concussion effects.
Does this brake allow indexing or pin-and-weld installation?
Yes. The description states there are blind pilot holes at the 6 o'clock position to enable indexing the adapter at bottom dead center and to pin-and-weld on short-barreled rifles. It also notes a basic hand drill and appropriate drill bits are required.
What material and finish are listed for this product?
The listed material is steel, and the finish is matte. The long description also says it is precision machined from US mill-certified heat-treated stainless steel bar stock and coated with black Ionbond DLC.