Product Description Keep your Ruger Mark III or Mark IV running reliably with this genuine Ruger factory .22 Long Rifle magazine. Built with quality components and precise manufacturing, it is designed to deliver consistent feeding and long-lasting performance for training, plinking, and range use. Product Highlights Genuine Ruger factory magazine engineered for dependable fit and function 10-round capacity for .22 Long Rifle (22LR) ammunition Durable steel body construction for long service life Polymer base plate for secure handling and durability Ideal spare or replacement magazine for Ruger Mark III / Mark IV pistols Specs Brand: Ruger Manufacturer Part Number: 90231 UPC: 736676902316 Compatibility: Ruger Mark III / Mark IV Caliber: .22 Long Rifle (22LR) Capacity: 10 rounds Body Material: Steel Base Plate Material: Polymer 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 products manufacturer.