--- title: "Breek Arms 9mm Plan B Muzzle Brake 1/2x28" description: "9mm muzzle brake with 1/2x28 threading, nitride finish, 4140 hardened steel construction, and Plan B/Atlas suppressor mount compatibility. Includes peel washer." canonical_url: "https://www.kygunco.com/product/breek-arms-plan-b-echo-single-port-muzzle-brake-9mm-1-2x28" meta: author: KYGUNCO "og:description": "9mm muzzle brake with 1/2x28 threading, nitride finish, 4140 hardened steel construction, and Plan B/Atlas suppressor mount compatibility. Includes peel washer." "og:image": "https://cdn.kygunco.com/assets/products/304682/thumbnail.jpg?v=1772553148" "og:image:height": "500" "og:image:width": "500" "og:title": "Breek Arms 9mm Plan B Muzzle Brake 1/2x28" --- > 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-BRK4433 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/304682/main.jpg?v=1772553148) For illustration purposes only, this image may not be an exact representation of the product. # BREEK ARMS Plan B Echo Single-Port Muzzle Brake 9mm 1/2x28 The Breek Arms Plan B Echo Single-Port Muzzle Brake is a compact 9mm muzzle device with 1/2"x28 threading. It features 90-degree horizontal blast-vectoring ports, a nitride finish, 4140 hardened steel construction, and compatibility with Plan B and Atlas suppressor mounts. A peel washer is included. $59.95 ** 5 interest-free payments of **$11.99** 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 Item # 304682 Style BRK-BRK4433 UPC 812296031800 Condition New Manufacturer [Breek Arms](https://www.kygunco.com/brand/breek-arms) Weight 1 lb Designed for ultra-compact performance, the Breek Arms Plan B Echo Single-Port Muzzle Brake delivers effective recoil and muzzle rise reduction in a minimal footprint. Featuring precision-engineered 90° horizontal blast-vectoring ports, it helps keep the rifle flat, fast, and on target through every shot. Optimized for the Plan B mounting system, the Echo Single-Port provides reliable control without excess bulk, making it an ideal choice for shooters who want smooth handling and seamless suppressor compatibility in a streamlined design. SPECIFICATIONS - Caliber: 9mm - Thread Pitch: 1/2" × 28 TPI - Weight: 2.3 oz - Overall Length: 1.75" - Material: 4140 Hardened Steel - Finish: Nitride - Suppressor Mount Compatibility: Plan B / Atlas - Torque Specification: 20–30 ft-lbs - Installation Tool: Requires a 13/16" wrench - Included: 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-plan-b-echo-single-port-muzzle-brake-9mm-1-2x28#webpage","@type":"WebPage","description":"9mm muzzle brake with 1/2x28 threading, nitride finish, 4140 hardened steel construction, and Plan B/Atlas suppressor mount compatibility. 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