--- title: "Rosco Manufacturing 11.5\" 5.56 NATO Barrel" description: "New 11.5\" M4 barrel chambered in 5.56 NATO, with a black finish and 1/2x28 muzzle threading for SBR or pistol builds." canonical_url: "https://www.kygunco.com/product/rosco-manufacturing-bloodline-barrel-5.56-nato-11.5-black-1-2x28" meta: author: KYGUNCO "og:description": "New 11.5\" M4 barrel chambered in 5.56 NATO, with a black finish and 1/2x28 muzzle threading for SBR or pistol builds." "og:image": "https://cdn.kygunco.com/assets/products/272447/thumbnail.jpg?v=1733337800" "og:image:height": "500" "og:image:width": "500" "og:title": "Rosco Manufacturing 11.5\" 5.56 NATO Barrel" --- > 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) / [Rifle Barrels](https://www.kygunco.com/category/shooting/gun-parts/handgun-and-rifle-parts/rifle-parts/rifle-barrels) / RSC-BL-115-M4-556-7-C ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/272447/main.jpg?v=1733337800) For illustration purposes only, this image may not be an exact representation of the product. # ROSCO MANUFACTURING Bloodline Barrel 5.56 NATO 11.5" Black 1/2x28 The Rosco Manufacturing Bloodline barrel is an 11.5" M4-style barrel chambered in 5.56 NATO. It features a black finish and 1/2x28 muzzle threading, and is designed for SBR or pistol builds. All NFA rules apply. $137.70 ** 5 interest-free payments of **$27.54** 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 # 272447 Style RSC-BL-115-M4-556-7-C UPC 181969500029 Condition New Manufacturer [Rosco Manufacturing](https://www.kygunco.com/brand/rosco-manufacturing) Weight 4 lb Bloodline 11.5" M4 5.56 NATO: This Rosco 11.5" M4 5.56 NATO Bloodline Barrel is designed to be the perfect addition to any SBR or Pistol build. ALL NFA RULES APPLY! Rosco 5.56 (NATO) barrels are designed to meet the modern day carbine shooters requirements. Rosco is a long way from your daddy's Sporter AR, and those specs just won't cut it anymore. From properly managed dwell times for SBR's, to running Suppressed, or setting up a balanced patrol carbine Rosco has incorporated your needs into Rosco engineering. Rosco has successfully accomplished this by picking the right twist rates, gas port diameters, and barrel materials according to the barrel being made. Shop with KYGUNCO for the best selection, competitive pricing, and exceptional customer service. Experience the difference that comes with buying from a trusted outdoor retailer with over 20 years of experience in the industry. ** 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 Rosco Manufacturing ```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/rosco-manufacturing-bloodline-barrel-5.56-nato-11.5-black-1-2x28#webpage","@type":"WebPage","description":"New 11.5\" M4 barrel chambered in 5.56 NATO, with a black finish and 1/2x28 muzzle threading for SBR or pistol builds.","name":"Rosco Manufacturing 11.5\" 5.56 NATO 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