Product Description The Ruger factory magazine for Mini-14 rifles chambered in .300 AAC Blackout is built with high-quality components and precise manufacturing to deliver long-lasting performance and reliable feeding. Featuring a durable steel body, black finish, and a 20-round capacity, this OEM magazine is designed to Ruger&&';;s specifications for proper fit and consistent operation. Caliber marking is laser-engraved on the side for quick identification. Product Highlights OEM Ruger factory magazine engineered for dependable fit, feeding, and function 20-round capacity for Ruger Mini-14 rifles chambered in .300 AAC Blackout Steel body construction with black finish for durability Heat-treated spring wire helps maintain consistent spring performance over time Laser-engraved ".300 AAC Blackout" caliber marking for fast identification Specs Brand Name: Ruger Manufacturer Part Number: 90484 UPC: 736676904846 Product Type: Rifle magazine Compatibility: Ruger Mini-14 rifles chambered in .300 AAC Blackout Capacity: 20 rounds Body Material: Steel Spring: Heat-treated spring wire Finish/Color: Black Marking: Laser-engraved caliber marking Note: Not interchangeable with .223 Remington Mini-14 magazines 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.