--- title: "SilencerCo ASR 5.56 Muzzle Brake 1/2x28" description: "3-port muzzle brake for 5.56mm NATO with 1/2x28 threading. ASR compatible, with quick attachment and detachment, plus shim set and Rocksett." canonical_url: "https://www.kygunco.com/product/silencerco-ac142-specwar-5.56-muzzle-brk-mount" meta: author: KYGUNCO "og:description": "3-port muzzle brake for 5.56mm NATO with 1/2x28 threading. ASR compatible, with quick attachment and detachment, plus shim set and Rocksett." "og:image": "https://cdn.kygunco.com/assets/products/94028/thumbnail.jpg?v=1713457923" "og:image:height": "500" "og:image:width": "500" "og:title": "SilencerCo ASR 5.56 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) / SLN-AC142 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/94028/main.jpg?v=1713457923) For illustration purposes only, this image may not be an exact representation of the product. # SILENCERCO ASR 1/2x28 AC142 5.56mm NATO Specwar Muzzle Brake 3-port muzzle brake with SilencerCo ASR compatibility, designed for 5.56mm NATO and 1/2x28 threading. It supports quick one-hand attachment and detachment, and the brake design helps reduce felt recoil and muzzle climb. Includes a shim set and Rocksett for installation. Black finish, AC142. $79.90 ** 5 interest-free payments of **$15.98** 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 Handled by our expert shippers in Bardstown, KY. Item # 94028 Style SLN-AC142 UPC 817272010336 Condition New Manufacturer [SilencerCo](https://www.kygunco.com/brand/silencerco) Weight 1 lb This 3-port muzzle brake is compatible with all SilencerCo ASR Mounts and with multiple thread and caliber options, you can shoot suppressed for any demand. It offers quick and easy one-hand-on, one-hand-off attachment and detachment. The 3-port design effectively reduces felt recoil and muzzle climb. Each ASR muzzle brake comes with a shim set and rocksett for easy application. The ASR mounting system comes standard with the Omega 300, Chimera 300, Hybrid 46M, Omega 36M and Saker ASR series. It's also compatible with Hybrid 46, Harvester Series, Octane Series, and Omega K Series. See the size chart below to find the correct ASR Mount for your silencer. **SPECIFICATIONS** - Black - AC142 ** 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 SilencerCo ```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/silencerco-ac142-specwar-5.56-muzzle-brk-mount#webpage","@type":"WebPage","description":"3-port muzzle brake for 5.56mm NATO with 1/2x28 threading. 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