--- title: "Rosco Manufacturing Black 16\" 5.56 NATO Barrel" description: "New 16\" M4 5.56 NATO barrel with a black finish, 1/2x28 muzzle threading, and gas port sizing intended to support balanced carbine performance." canonical_url: "https://www.kygunco.com/product/rosco-manufacturing-bloodline-barrel-5.56-nato-16-black-1-2x28" meta: author: KYGUNCO "og:description": "New 16\" M4 5.56 NATO barrel with a black finish, 1/2x28 muzzle threading, and gas port sizing intended to support balanced carbine performance." "og:image": "https://cdn.kygunco.com/assets/products/272443/thumbnail.jpg?v=1733337799" "og:image:height": "500" "og:image:width": "500" "og:title": "Rosco Manufacturing Black 16\" 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-16-M4-556-7-C ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/272443/main.jpg?v=1733337799) For illustration purposes only, this image may not be an exact representation of the product. # ROSCO MANUFACTURING Bloodline Barrel 5.56 NATO 16" Black 1/2x28 The Rosco Manufacturing Bloodline is a 16" M4 5.56 NATO barrel with a black finish and 1/2x28 muzzle threading. It features gas port sizing designed to help optimize performance and reduce the effects of over-gassing, along with specifications intended for balanced carbine setups. $152.10 ** 5 interest-free payments of **$30.42** 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 # 272443 Style RSC-BL-16-M4-556-7-C UPC 181969500067 Condition New Manufacturer [Rosco Manufacturing](https://www.kygunco.com/brand/rosco-manufacturing) 16" M4 5.56 NATO Bloodline Barrel: This Rosco 16" M4 5.56 NATO Bloodline Barrel is the perfect addition to your next build featuring perfect balance, properly sized gas ports in order to optimize performance and reduce premature wear and tear from over gassed barrels. Rosco 5.56 (NATO) barrels are designed to meet the modern day carbine shooters requirements. We are a long way from our 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 incorporated your needs into our engineering. Rosco has successfully accomplished this by picking the right twist rates, gas port diameters, and barrel materials according to the barrel. Rosco also balanced input from our consumers and military end users in order to bring you the rifle barrel you need, not just the one we want to sell you. 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-16-black-1-2x28#webpage","@type":"WebPage","description":"New 16\" M4 5.56 NATO barrel with a black finish, 1/2x28 muzzle threading, and gas port sizing intended to support balanced carbine performance.","name":"Rosco Manufacturing Black 16\" 5.56 NATO 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