Product DescriptionThe FN 509 Midsize Magazine Sleeve is a polymer grip adapter designed for use with FN 509 Mid-size 24-round 9mm Luger magazines. Installed at the base of the magazine, it helps provide a more comfortable, controlled grip while maintaining a clean, factory-style fit and finish. This sleeve is quick and easy to install, making it a simple upgrade for FN 509 users running extended-capacity magazines.Product HighlightsDesigned to fit FN 509 Mid-size 24-round 9mm Luger magazinesHelps improve grip comfort and control when using extended magazinesDurable polymer construction in a black finishInstalls quickly and easily at the base of the magazineGenuine FN accessory for FN 509 platform compatibilitySpecsBrand: FNManufacturer Part Number: 20100356UPC: 845737010171Product Type: Magazine sleeve / magazine grip adapterCompatibility: FN 509 Mid-sizeCaliber: 9mm LugerMagazine Capacity Compatibility: 24-roundMaterial: PolymerColor: BlackDisclaimer: 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.