Enhance your AR-15 platform with the Unrivaled Armory A2 Suppressor Adapter Siege Brake, a compact muzzle device engineered for .223/5.56 and 5.45mm rifles. This innovative brake combines the familiar A2 flash hider footprint with advanced recoil mitigation, allowing seamless integration of suppressors and other A2-compatible accessories while delivering noticeable control during rapid fire.
Key Features
- Compact A2 Form Factor: Matches the dimensions of a standard A2 flash hider for easy suppressor mounting and accessory compatibility.
- Recoil Reduction Technology: Features an internal expansion chamber that redirects gases to reduce felt recoil and muzzle rise, functioning effectively as both a brake and compensator.
- Tunable Performance: Pre-sized ports allow optional customization by drilling tuning holes in the expansion chamber, with instructions included for precise adjustments.
- Durable Nitride Finish: Hardened steel construction with QPQ Black Nitride treatment provides a matte black, corrosion-resistant surface.
- Complete Installation Kit: Includes a crush washer for secure, timed mounting on 1/2×28 threaded barrels.
Technical Specifications
- Threads: 1/2×28
- Cartridge Compatibility: .223/5.56, 5.45mm, and similar .22 caliber variants
- Overall Length: 1.9 inches
- Weight: 2.3 ounces
- Finish: QPQ Black Nitride / Melonite
- Origin: 100% Made in the USA
Why Choose This Product
Shooters seeking a lightweight, no-frills upgrade over a standard A2 flash hider benefit from reduced recoil without added bulk or complexity. The simplified design eliminates adjustment screws while maintaining tunability options, making it ideal for general-purpose builds, home defense setups, or competition rifles where suppressor compatibility is essential. Its compact size helps maintain overall barrel length requirements and balance.
Installation and Use
Thread the brake onto your 1/2×28 barrel using the included crush washer for proper timing. For optimal performance, pair with an adjustable gas block if needed. Always follow manufacturer guidelines and local regulations for muzzle devices.
Upgrade your rifle’s performance and versatility with this precision-engineered suppressor adapter brake today.












