Product Description Keep your Ruger SR-556 running reliably with this genuine Ruger factory 5-round magazine, built with quality components and precise manufacturing for consistent long-term performance. Designed for .223 Remington / 5.56 NATO, it features a durable steel body and a polymer follower to promote smooth, dependable feeding-ideal for hunting, range sessions, and compliance in capacity-restricted areas. Product Highlights Genuine Ruger factory magazine engineered for reliable feeding and fit 5-round capacity for hunting and capacity-restricted applications Steel magazine body with protective blued/black-style finish (varies by listing) Polymer follower for consistent cartridge presentation and smooth cycling Designed for Ruger SR-556 rifles and .223 Remington / 5.56 NATO ammunition Specs Brand: Ruger Manufacturer Part Number: 90428 UPC: 736676904280 Compatibility: Ruger SR-556 (also listed as compatible with AR-556) Caliber: .223 Remington / 5.56 NATO Capacity: 5 rounds Material: Steel body Follower: Polymer (high-visibility orange shown in images) Country of Manufacture: Made in USA Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.