Breek Arms Sentinel Caged Flash Hider for Breek-Lok 3QD | 9mm | 5/8×24 TPI
The Breek Arms Sentinel Caged Flash Hider is a high-performance muzzle device designed to minimize muzzle flash while enhancing durability and reliability. Specifically built for 9mm firearms, this model features a 5/8×24 TPI thread pitch, making it compatible with select 9mm carbines and barrels threaded in this standard.
Key Features:
Caged Design: The enclosed prong structure effectively disperses and redirects muzzle flash while eliminating the ringing noise common with open-prong flash hiders. The closed-end design also reduces snagging on gear or environmental obstacles.
Breek-LOK 3QD Compatibility: Designed for use with the Breek-LOK 3QD system, this flash hider enables quick and secure attachment of compatible suppressors and accessories.
Durable Construction: Precision-machined from 4140 hardened steel with a nitride finish, the Sentinel Flash Hider offers long-term durability, wear resistance, and corrosion protection.
Compact & Lightweight: Measuring approximately 2.25 inches in length and weighing about 1.8 ounces, this flash hider delivers exceptional performance without adding unnecessary bulk.
Installation Considerations:
Thread Compatibility: Designed for barrels with a 5/8×24 TPI thread pitch, ensuring compatibility with select 9mm firearms that utilize this threading.
Easy Installation: Includes a peel washer for proper timing and alignment. Following the manufacturer’s guidelines is recommended for optimal functionality.
Barrel Length Recommendations: Tested and rated for use with barrels 5 inches or longer when used with 9mm platforms.
Legal Compliance: Verify compliance with all local, state, and federal regulations before installation.
Product Information
| Manufacturer | Breek Arms |
|---|---|
| Made in USA | Yes |
| Material | 4140 Steel |
| Muzzle Thread | 5/8×24 |
| Length | 2.25" |
| Caliber | 9mm |
| Finish | QPQ Nitride |
| Platform | AR9 |
| Weight | 1.8oz |














