Home / Accessory-Magazines / FN MAG SLEEVE FN 509M 9MM 17RD You cannot add "Ruger SECURITY9 COMPACT MAG ADAPTER" to the cart because the product is out of stock. FN MAG SLEEVE FN 509M 9MM 17RD$1599 Only 2 left in stock FN MAG SLEEVE FN 509M 9MM 17RD quantity Add to cart SKU: 20-100355 Category: Accessory-Magazines Product ID: 56934 Description Description Sleeve For 17 rd. Magazine Related products Sale! Ruger MAGAZINE SR40/SR40C 15RD $4895 $4610 Walther Arms MAGAZINE PPQ M2 45ACP 10RD $4900 Sale! Ruger MAGAZINE AMER COMPACT 9MM 10RD $4295 $4191 FN MAGAZINE FN 509M 9MM 10RD $5699