Product Description The Shield Arms S15 magazine is a patented, flush-fitting 15-round magazine designed for the Glock 43X and Glock 48. This combo includes three S15 magazines plus a steel magazine release to help ensure proper fit and long-term durability when running steel magazines. Built with modular tooling and raised ribs on the back to match the OEM magazine position, the S15 is finished with a QPQ nitrocarburizing (nitride) surface treatment for enhanced wear and corrosion resistance. Product Highlights Patented flush-fit 15-round magazine design for Glock 43X and Glock 48 pistols Combo pack includes (3) S15 magazines plus an included steel magazine release QPQ nitrocarburizing (nitride) surface treatment for improved durability and corrosion resistance Raised rear ribs align the magazine to match OEM magazine positioning Modular tooling construction to support consistent performance and fit Specs Brand: Shield Arms Model: S15 (Gen 3 Combo) Product Type: Magazine Capacity: 15 rounds Quantity: 3 magazines Compatibility/Fit: Glock 43X / Glock 48 Caliber: 9mm Finish/Surface Treatment: QPQ nitrocarburizing (nitride), black Included Accessory: Steel magazine release UPC: 850029545811 Manufacturer Part Number: S15-COMBO-G3-3M-1C 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.