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Questions & Answers
Will this work for .270 Expert Answer

Yes, it should.

by Jonathan D., Gear Expert, March 18, 2020
Am I using the same brake for both 556 and 762? Expert Answer

No, you cannot use the same muzzle device for 556 and 762. They are threaded differently and have different exit diameters for the bullets.

.223/5.56 : SFMB-556-1/2-28
.308/7.62 : SFMB-762-5/8-24

by Armando R., Gear Expert, November 19, 2019
Customer Reviews
Most Recent Reviews
Surefire Muzzle Brake/ Adapter by KS, December 14, 2018
Great fit and perfect performance. Was easy to install with no issues. Would highly recommend this to any level shooter. Have had many Surefire products without issue. Buy this and you will not be dissatisfied!
Read 1 Review

Product Discontinued by Manufacturer

SureFire Muzzle Brake/Suppressor Adapter 6.8mm SPC 5/8-24 Threads SFMB-68-5/8-24 has been discontinued by SureFire and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Weapon Accessories, Gun Parts, Muzzle Devices, Muzzle Brakes & Compensators yourself to try and find the perfect replacement for you!

Product Info for SureFire Muzzle Brake/Suppressor Adapter 6.8mm SPC 5/8-24 Threads SFMB-68-5/8-24

Stand alone muzzle brake or rock-solid mounting interface for SureFire Fast Attach Socom series sound suppressors. Constructed of heat-treated stainless steel, precision machined from certified bar stock. Ion-Bond DLC coating provides maximum protection. Reduces recoil and muzzle rise for faster shot-to-shot recovery. Multiple bearing surfaces for suppressor alignment. Labyrinth seals. Neutral porting on models with 7.62 and larger bore diameter. Offset porting on models with less than 7.62mm (like 5.56) bore diameter.image

Specifications for SureFire Muzzle Brake/Suppressor Adapter 6.8mm SPC 5/8-24 Threads SFMB-68-5/8-24:

AR-15 Parts: AR-15 Parts
For: 5/8-24 Threads

Package Contents:

  • SureFire Muzzle Brake/Suppressor Adapter 6.8mm SPC 5/8-24 Threads SFMB-68-5/8-24

Ammunition

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SureFire Muzzle Brake/Suppressor Adapter 6.8mm SPC 5/8-24 Threads SFMB-68-5/8-24 Unavailable & Discontinued Models

List of Unorderable Models

  • Demo, SureFire Muzzle Brake/Suppressor Adapter 6.8mm SPC 5/8-24 Threads , MPN: SFMB-68-5/8-24-DEMO , Code: FS-BMB-SFMB-68-58-24-DEMO
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