--- title: "WINCHESTER Service 5.56 NATO 55Gr FMJ Brass Ammunition | 20 Round" canonical_url: "https://www.kygunco.com/product/winchester-ammo-sg556w-5.56-55gr-fmj-20rd" meta: author: KYGUNCO "og:image": "https://cdn.kygunco.com/assets/products/150721/thumbnail.jpg?v=1713454117" "og:image:height": "500" "og:image:width": "500" "og:title": "WINCHESTER Service 5.56 NATO 55Gr FMJ Brass Ammunition | 20 Round" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Ammunition](https://www.kygunco.com/category/ammunition) / [Rifle Ammo](https://www.kygunco.com/category/ammunition/rifle-ammo) / WNC-SG556W ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/150721/main.jpg?v=1713454117) For illustration purposes only, this image may not be an exact representation of the product. # WINCHESTER Service 5.56 NATO 55Gr FMJ Brass Ammunition | 20 Round 5.0 ** ** ** ** ** [1 review](#reviews) $12.99 --- $0.65 per round 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. ** Check Local Restrictions Not sure whether this item can be shipped to your area? Enter your ZIP code for a quick check. Item # 150721 Style WNC-SG556W UPC 020892225626 Condition New Manufacturer [Winchester](https://www.kygunco.com/brand/winchester) Units Per Box 20 Caliber 5.56 NATO Weight 1.5 lb 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. - Caliber: 5.56 NATO - Bullet Type: Full Metal Jacket (FMJ) - Bullet Weight: 55 Grains - Rounds: 20 Rounds per Box - Muzzle Velocity: 3270 FPS - Muzzle Energy: 1306 ft/lbs - Bullet Diameter: .224 - Bullet Ballistic Coefficient: .267 - Casing: Brass ** 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). 5.0 ** ** ** ** ** 1 review ** ** ** ** ** 1 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## Reviews ** James Mount Holly, NC Best price online and fast shipping 11/1/2023 ** ** ** ** ** ## Shop 5.56 NATO Firearms ```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/winchester-ammo-sg556w-5.56-55gr-fmj-20rd#webpage","@type":"WebPage","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"WINCHESTER Service 5.56 NATO 55Gr FMJ Brass 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