Breek Arms Sentinel Caged Flash Hider for Breek-LOK 3QD - 5/8x24 TPI - BRK4321
Only 4 left in stock
Enhance your low-light shooting experience with the Breek Arms Sentinel Caged Flash Hider for Breek-LOK 3QD – 5/8×24 TPI. Designed for .30 caliber rifles, this premium muzzle device effectively disperses and redirects muzzle gases to minimize blinding flash, preserving your night vision and maintaining a clear sight picture during critical moments. Whether you’re a tactical enthusiast, hunter, or competitive shooter, this caged flash hider delivers reliable performance without the snagging risks of open-prong designs.
Key Features
- Caged Design: Closed prongs eliminate gear snags and provide superior flash suppression, ensuring a streamlined profile on your AR-15 or similar platform.
- Breek-LOK 3QD Compatibility: Seamlessly integrates with the Breek-LOK quick-detach suppressor system for effortless attachment and removal of compatible suppressors.
- Internal Thread Reinforcement: Enhances gas redirection for better flash mitigation compared to standard hiders, reducing temporary blinding in dim conditions.
- Durable Construction: Machined from 4140 hardened steel with a nitride/Melonite finish for exceptional corrosion resistance and longevity under high-heat, high-round-count use.
- Easy Installation: Includes a peel washer for secure, precise timing on 5/8×24 threaded barrels.
Specifications
- Muzzle Device Type: Flash Hider
- Threads: 5/8×24 TPI
- Cartridge Compatibility: .30 Cal (7.62/.308)
- Finish: Nitride / Melonite
- Material: 4140 Hardened Steel
- Weight: 1.8 oz
- Length: 2.25 inches
- Width/Height: 0.9 inches
- Made in USA: Precision-crafted for quality assurance
Why Choose the Breek Arms Sentinel Caged Flash Hider?
Traditional flash hiders often compromise on durability or convenience, but the Sentinel addresses these pain points head-on. Its caged structure not only cuts down on visible muzzle signature—vital for discreet operations or hunting at dusk—but also withstands the rigors of repeated fire without warping or ringing. Shooters appreciate the reduced eye strain and faster follow-up shots, making it ideal for home defense or range sessions. Paired with the Breek-LOK system, it offers versatility for suppressed setups, solving the hassle of mismatched muzzle devices. Invest in this .30 cal flash hider to elevate your firearm’s performance and reliability.
Ready to optimize your rifle? Add the Breek Arms Sentinel Caged Flash Hider to your build today and experience the difference in flash control and suppressor readiness.
Frequently Asked Questions
Q: Is the Sentinel Caged Flash Hider compatible with suppressors other than Breek-LOK?
A: It is specifically designed for the Breek-LOK 3QD system, ensuring a secure, quick-detach fit with compatible HUB-threaded suppressors. For other systems, verify compatibility separately.
Q: Does this flash hider reduce recoil or noise?
A: Primarily focused on flash suppression, it offers minimal recoil reduction through gas dispersion but does not significantly quiet the report—pair it with a suppressor for noise mitigation.
Q: How do I install the 5/8×24 TPI flash hider?
A: Thread it onto your barrel’s 5/8×24 muzzle, use the included peel washer for proper indexing, and torque to manufacturer specs for a secure fit.
| Weight | 1.8 oz |
|---|---|
| Dimensions | 2.25 × 0.9 × 0.9 in |
| Muzzle Device Type | Flash Hider |
| Threads | 5/8×24 |
| Cartridge Compatibility | .30 (7.62/.308) |
| Finish | Nitride / Melonite |
| MPN | BRK4321 |
| UPC | 812296031602 |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
Please select an FFL from the table below, if you do not see your desired FFL, click "Set Later" and you will be able to enter your FFL's information after checkout.
| Name | City | State | ZIP | Phone | |
|---|---|---|---|---|---|
|
Loading FFL contacts, please wait...
|





