Product Description The Ruger BX-15 Magnum is a genuine Ruger factory replacement magazine designed for Magnum rimfire rifles chambered in .17 HMR and .22 WMR. Built with a durable polymer magazine body and reinforced steel feed lips, it&';s engineered for reliable feeding, long service life, and consistent performance. It&';s a great choice as a spare magazine for the range, hunting, or keeping your rifle ready with a dependable OEM magazine. Product Highlights Factory Ruger BX-15 Magnum rimfire magazine for dependable fit and function 15-round capacity for .17 HMR / .22 WMR (22 Winchester Magnum Rimfire) cartridges Durable polymer body construction for lightweight strength Steel feed lips designed for reliable feeding and long-lasting durability Compatible with select Ruger rimfire rifles including 77/17, 77/22, and American Rimfire platforms Specs Brand: Ruger Product Type: Rifle magazine Model: BX-15 Magnum Capacity: 15 rounds Compatible Calibers: .17 HMR, .22 WMR Body Material: Polymer Feed Lips: Steel Color: Black Manufacturer Part Number: 90585 UPC: 736676905850 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.