--- title: "FN America 16\" 5.56 Barrel 1:7 Twist" description: "16\" 5.56 rifle barrel with carbine-length gas system, 1:7 twist, and button-rifled construction. Matte black finish for AR rifles." canonical_url: "https://www.kygunco.com/product/fnh-usa-20-100039-barrel-m-16-5.56-16-carbine-length-gas-system" meta: author: KYGUNCO "og:description": "16\" 5.56 rifle barrel with carbine-length gas system, 1:7 twist, and button-rifled construction. Matte black finish for AR rifles." "og:image": "https://cdn.kygunco.com/assets/products/161303/thumbnail.jpg?v=1713453828" "og:image:height": "500" "og:image:width": "500" "og:title": "FN America 16\" 5.56 Barrel 1:7 Twist" --- > 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) / FNM-20-100039 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/161303/main.jpg?v=1713453828) For illustration purposes only, this image may not be an exact representation of the product. # FN AMERICA Barrel M-16 5.56 16" Carbine Length Gas System 16" M-16 style 5.56 barrel from FN America for AR rifles. It features a 1:7 twist, button-rifled construction, carbine-length gas system, and matte black finish. See Price In Cart ** 5 interest-free payments of **$48.30** 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 Almost gone. Order now before it sells out. Item # 161303 Style FNM-20-100039 UPC 845737008505 Condition New Manufacturer [FN America](https://www.kygunco.com/brand/fn-america) Weight 2 lb **### Features:****UPC** 845737008505 **Manufacturer** FN America **Manufacturer Part #** 20-100039 **Type** Barrel **Barrel Length** 16" **Color** Black **Accessories** 1:7 Twist **Type of Barrel** Button-Rifled **Fit** AR Rifles **Subcategory** Rifle Barrels **Finish** Matte ** 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 FN America ```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/fnh-usa-20-100039-barrel-m-16-5.56-16-carbine-length-gas-system#webpage","@type":"WebPage","description":"16\" 5.56 rifle barrel with carbine-length gas system, 1:7 twist, and button-rifled construction. 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