--- title: "Yankee Hill Machine Company sRx Mini Muzzle Brake" description: "Black sRx Mini muzzle brake with 1-3/8x24 HUB threads and internal taper for a secure seal. Requires the YHM sRx Adapter (YHM-4400)." canonical_url: "https://www.kygunco.com/product/yankee-hill-machine-company-yhm-4401-mb-28-5.56-.223-srx-muzzle-brake-5.56-x-45mm-black" meta: author: KYGUNCO "og:description": "Black sRx Mini muzzle brake with 1-3/8x24 HUB threads and internal taper for a secure seal. Requires the YHM sRx Adapter (YHM-4400)." "og:image": "https://cdn.kygunco.com/assets/products/231597/thumbnail.jpg?v=1712664246" "og:image:height": "500" "og:image:width": "500" "og:title": "Yankee Hill Machine Company sRx Mini Muzzle Brake" --- > 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) / YNK-YHM-4401-MB-28 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/231597/main.jpg?v=1712664246) For illustration purposes only, this image may not be an exact representation of the product. # YANKEE HILL MACHINE COMPANY 5.56/.223 SRX Muzzle Brake 5.56 x 45mm Black YHM sRx Mini Muzzle Brake in black with 1-3/8x24 HUB threads and an internal taper for a secure seal. Must be used with the YHM sRx Adapter (YHM-4400) to complete the system. Compact design adds very little weight or length for a streamlined suppressor setup. Email for Price ** 5 interest-free payments of **$14.76** 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 # 231597 Style YNK-YHM-4401-MB-28 UPC 841812101505 Condition New Manufacturer [Yankee Hill Machine Company](https://www.kygunco.com/brand/yankee-hill-machine-company) Weight 1 lb The YHM sRx Mini Muzzle Brake (YHM-4401-MB) is part of YHM’s streamlined sRx series, designed for clean aesthetics and simple, intuitive use. This QD muzzle brake uses the industry-standard 1-3/8x24 (HUB) threads and features an internal taper in front of the threads, creating a secure seal that prevents gas and debris buildup. It must be used with the YHM sRx Adapter (YHM-4400) to complete the system. The Mini Muzzle Brake adds very little weight or length but still provides the full benefits of the sRx platform, making it an ideal choice for shooters wanting a sleek, low-profile suppressor setup built for demanding use. SPECIFICATIONS - Caliber: 9mm Luger - Color: Black - Material: Steel - Finish: Phosphate - Length: 1.10" - Diameter: 0.375" - Thread Pattern: 1/2"x28 - Weight: 1.40 oz ** 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 Yankee Hill Machine Company ```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/yankee-hill-machine-company-yhm-4401-mb-28-5.56-.223-srx-muzzle-brake-5.56-x-45mm-black#webpage","@type":"WebPage","description":"Black sRx Mini muzzle brake with 1-3/8x24 HUB threads and internal taper for a secure seal. Requires the YHM sRx Adapter (YHM-4400).","name":"Yankee Hill Machine Company sRx Mini Muzzle Brake","url":"https://www.kygunco.com/product/yankee-hill-machine-company-yhm-4401-mb-28-5.56-.223-srx-muzzle-brake-5.56-x-45mm-black","about":{"@id":"https://www.kygunco.com/product/yankee-hill-machine-company-yhm-4401-mb-28-5.56-.223-srx-muzzle-brake-5.56-x-45mm-black#/schema//kygunco"},"breadcrumb":{"@id":"https://www.kygunco.com/product/yankee-hill-machine-company-yhm-4401-mb-28-5.56-.223-srx-muzzle-brake-5.56-x-45mm-black#breadcrumb"},"isPartOf":{"@id":"https://www.kygunco.com/#website"},"potentialAction":[{"@type":"ReadAction","target":["https://www.kygunco.com/product/yankee-hill-machine-company-yhm-4401-mb-28-5.56-.223-srx-muzzle-brake-5.56-x-45mm-black"]}]},{"@id":"https://www.kygunco.com/#/schema/organization/kygunco","alternateName":"Kentucky Gun Company","currenciesAccepted":"USD","description":"Shop KYGUNCO for firearms, ammo, gun parts, optics, shooting accessories, and outdoor gear with online ordering and shipping options across the U.S.","email":"info@kygunco.com","foundingDate":"1946-01-01","hasMap":"https://www.google.com/maps/dir/?q=place_id:ChIJfwecWCBSaIgRguIjuoPha40","logo":"https://www.kygunco.com/logos/kygunco.svg","name":"KYGUNCO","priceRange":"$$","telephone":"+1-502-348-3594","url":"https://www.kygunco.com","@type":["Organization","LocalBusiness"],"address":{"@type":"PostalAddress","streetAddress":"401 Glenwood Drive","addressLocality":"Bardstown","addressRegion":"KY","postalCode":"40004","addressCountry":"US"},"contactPoint":{"@type":"ContactPoint","contactType":"Customer Service","telephone":"+1-502-348-3594","email":"info@kygunco.com","availableLanguage":"English","hoursAvailable":{"@type":"OpeningHoursSpecification","dayOfWeek":["https://schema.org/Monday","https://schema.org/Tuesday","https://schema.org/Wednesday","https://schema.org/Thursday","https://schema.org/Friday"],"opens":"09:00","closes":"17:00"}},"geo":{"@type":"GeoCoordinates","latitude":37.8032518,"longitude":-85.4252895},"hasMerchantReturnPolicy":{"@type":"MerchantReturnPolicy","name":"Standard Return Policy","inStoreReturnsOffered":true,"merchantReturnDays":30,"returnPolicyCategory":"https://schema.org/MerchantReturnFiniteReturnWindow","returnMethod":["https://schema.org/ReturnByMail","https://schema.org/ReturnInStore"],"returnFees":"https://schema.org/FreeReturn","refundType":["https://schema.org/ExchangeRefund","https://schema.org/FullRefund","https://schema.org/StoreCreditRefund"],"applicableCountry":"US"},"hasOfferCatalog":{"@type":"OfferCatalog","name":"KYGUNCO Catalog","url":"https://www.kygunco.com/search"},"image":{"@id":"https://www.kygunco.com/#/schema/image/1"},"knowsAbout":["Firearms sales and transfers","FFL dealers and compliance","Optics and accessories","Outdoor and hunting equipment"],"openingHoursSpecification":[{"@type":"OpeningHoursSpecification","dayOfWeek":["https://schema.org/Monday","https://schema.org/Tuesday","https://schema.org/Wednesday","https://schema.org/Thursday","https://schema.org/Friday","https://schema.org/Saturday"],"opens":"09:00","closes":"18:00"}],"paymentAccepted":["Credit Card","Credova","Sezzle"],"sameAs":["https://x.com/kygunco","https://www.facebook.com/kentuckygunco","https://www.instagram.com/kygunco","https://www.youtube.com/@thekentuckygunco","https://rumble.com/c/KYGUNCO"]},{"@id":"https://www.kygunco.com/product/yankee-hill-machine-company-yhm-4401-mb-28-5.56-.223-srx-muzzle-brake-5.56-x-45mm-black#product","@type":"Product","description":"Black sRx Mini muzzle brake with 1-3/8x24 HUB threads and internal taper for a secure seal. Requires the YHM sRx Adapter (YHM-4400).","gtin":"841812101505","mpn":"YHM-4401-MB-28","name":"Yankee Hill Machine Company sRx Mini Muzzle Brake","sku":"231597","additionalProperty":[],"brand":{"@type":"Brand","name":"Yankee Hill Machine Company"},"image":["https://cdn.kygunco.com/assets/products/231597/thumbnail.jpg?v=1712664246"],"mainEntityOfPage":{"@id":"https://www.kygunco.com/product/yankee-hill-machine-company-yhm-4401-mb-28-5.56-.223-srx-muzzle-brake-5.56-x-45mm-black#webpage"},"offers":{"@type":"Offer","availability":"https://schema.org/InStock","price":73.82,"priceCurrency":"USD","url":"https://www.kygunco.com/product/yankee-hill-machine-company-yhm-4401-mb-28-5.56-.223-srx-muzzle-brake-5.56-x-45mm-black","itemCondition":"https://schema.org/NewCondition","priceValidUntil":"2027-12-30T00:00:00.000Z"},"weight":{"@type":"Mass","value":"1 lb"}},{"@id":"https://www.kygunco.com/product/yankee-hill-machine-company-yhm-4401-mb-28-5.56-.223-srx-muzzle-brake-5.56-x-45mm-black#breadcrumb","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","name":"Home","item":"https://www.kygunco.com","position":1},{"@type":"ListItem","name":"Shooting","item":"https://www.kygunco.com/category/shooting","position":2},{"@type":"ListItem","name":"Gun Parts","item":"https://www.kygunco.com/category/shooting/gun-parts","position":3},{"@type":"ListItem","name":"Handgun & Rifle Parts","item":"https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts","position":4},{"@type":"ListItem","name":"Rifle Parts","item":"https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts","position":5},{"@type":"ListItem","name":"Muzzle Brakes & Devices","item":"https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts/muzzle-brakes-and-devices","position":6},{"@type":"ListItem","name":"YNK-YHM-4401-MB-28","position":7}]},{"@id":"https://www.kygunco.com/#/schema/image/1","@type":"ImageObject","contentUrl":"https://cdn.kygunco.com/assets/backdrops/facade.jpg","inLanguage":"en","url":"https://cdn.kygunco.com/assets/backdrops/facade.jpg"}]} ``` ## Sitemap See the full [sitemap](https://www.kygunco.com/sitemap.md) for all pages.