Home / Accessory-Magazines / FN MAG SLEEVE FN 509M 9MM 17RD View cart “Ruger MAGAZINE SR40/SR40C 15RD” has been added to your cart. FN MAG SLEEVE FN 509M 9MM 17RD$1599 Out of stock SKU: 20-100355 Category: Accessory-Magazines Product ID: 56934 Description Description Sleeve For 17 rd. Magazine Related products Walther Arms MAGAZINE PPQ M2 45ACP 12RD $4900 FN MAGAZINE FN 503 9MM 6RD FDE $4999 Sale! Warne GLOCK 19/23 MAG EXT +5/+4 GRY $5449 $5201 Ruger 77/17 MAGAZINE 17HORNET 6RD $3795