Breek Arms Sentinel Caged Flash Hider for Breek-LOK 3QD | .223 / 5.56 | 1/2×28 TPI
The Breek Arms Sentinel Caged Flash Hider is a high-performance muzzle device designed to significantly reduce muzzle flash while enhancing shooting stability. Specifically engineered for .223/5.56 caliber firearms, this model features a 1/2×28 TPI thread pitch, ensuring compatibility with standard AR-15 platforms and other rifles chambered in 5.56 NATO.
Key Features:
Caged Design: The enclosed prong structure is optimized for superior flash reduction while eliminating the ringing sound often associated with open-prong flash hiders. The closed-end design also minimizes snagging on gear or environmental obstacles.
Breek-LOK 3QD Compatibility: This flash hider integrates seamlessly with the Breek-LOK 3QD system, allowing for quick and secure attachment of compatible suppressors and muzzle devices.
Durable Construction: Machined from 4140 hardened steel and treated with a nitride finish, the Sentinel Flash Hider is built for durability, corrosion resistance, and long-term performance under heavy use.
Compact & Lightweight: With a length of approximately 2.25 inches and a weight of around 1.8 ounces, this flash hider maintains a low profile while offering superior flash suppression.
Installation Considerations:
Thread Compatibility: Designed for barrels with a 1/2×28 TPI thread pattern, ensuring a secure and proper fit on most AR-15 and 5.56 NATO firearms.
Easy Installation: Includes a peel washer for proper timing and alignment. Following manufacturer guidelines is recommended for optimal functionality.
Barrel Length Recommendations: This flash hider is tested and rated for use with barrels 10.5 inches or longer when paired with 5.56 NATO platforms.
Legal Compliance: Ensure compliance with all local, state, and federal regulations before installation.
Product Information
| Manufacturer | Breek Arms |
|---|---|
| Made in USA | Yes |
| Platform | AR15 |
| Material | 4140 Steel |
| Muzzle Thread | 1/2×28 |
| Length | 2.25" |
| Caliber | 223 Rem, 223 Wylde, 5.56 NATO, 224 Valkyrie |
| Finish | QPQ Nitride |
| Weight | 1.8oz |














