--- title: "Breek Arms 3QD Sentinel Caged Flash Hider Black" description: "Black nitride steel flash hider for .223 Cal and 5.56mm firearms. Features 1/2\"x28 threads, closed prongs, internal threads, and a peel washer." canonical_url: "https://www.kygunco.com/product/breek-arms-sentinel-caged-flash-hider-3qd-223-.556-1-2x28-tpi" meta: author: KYGUNCO "og:description": "Black nitride steel flash hider for .223 Cal and 5.56mm firearms. Features 1/2\"x28 threads, closed prongs, internal threads, and a peel washer." "og:image": "https://cdn.kygunco.com/assets/products/304672/thumbnail.jpg?v=1771434275" "og:image:height": "500" "og:image:width": "500" "og:title": "Breek Arms 3QD Sentinel Caged Flash Hider Black" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Shooting](https://www.kygunco.com/category/shooting) / [Gun Parts](https://www.kygunco.com/category/shooting/gun-parts) / [Handgun & Rifle Parts](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts) / [Rifle Parts](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts) / [Muzzle Brakes & Devices](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts/muzzle-brakes-and-devices) / BRK-BRK4320 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/304672/main.jpg?v=1771434275) For illustration purposes only, this image may not be an exact representation of the product. # BREEK ARMS Sentinel Caged Flash Hider 3QD 223/.556 1/2x28 TPI The Breek Arms Sentinel Caged Flash Hider is a black steel muzzle device for .223 Cal and 5.56mm firearms with 1/2"x28 threads. Part of the Breek-LOK 3QD system, it redirects gases to reduce muzzle flash and features internal threads, closed prongs, a nitride finish, and a peel washer. $54.99 ** 5 interest-free payments of **$11** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** Online In Store ** Flat Rate $13.94 for every 25 lbs. Shipping to HI & AK may incur additional fees. ** Ships To Your Home Fulfilled by a partner warehouse. ** Partner Fulfilled Selling fast. Limited quantities available. Item # 304672 Style BRK-BRK4320 UPC 812296031596 Condition New Manufacturer [Breek Arms](https://www.kygunco.com/brand/breek-arms) Weight 1 lb The Breek-LOK™ 3QD Suppressor Attachment System delivers fast, intuitive quick-detach performance with a streamlined, low-profile design that integrates seamlessly with any firearm. The 3QD Sentinel Caged Flash Hider reduces muzzle flash by redirecting gases, while internal threads enhance suppression effectiveness. Closed prongs eliminate snagging and ringing while increasing strength, preserving a clear sight picture and maintaining a clean, refined appearance. SPECIFICATIONS - Caliber: .223 Cal / 5.56mm - Color: Black - Material: Steel - Finish: Nitride - Length: 2.25" - Weight: 2 oz - Thread Pattern: 1/2" × 28 - Compatibility: Breek-LOK™ 3QD System - Includes: Peel Washer ** WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov). 0.0 ** ** ** ** ** 0 reviews ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## More from Breek Arms ```json {"@context":"https://schema.org","@graph":[{"@id":"https://www.kygunco.com/#website","@type":"WebSite","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"KYGUNCO","url":"https://www.kygunco.com/","publisher":{"@id":"https://www.kygunco.com/#/schema/organization/kygunco"}},{"@id":"https://www.kygunco.com/product/breek-arms-sentinel-caged-flash-hider-3qd-223-.556-1-2x28-tpi#webpage","@type":"WebPage","description":"Black nitride steel flash hider for .223 Cal and 5.56mm firearms. 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