Home / Accessory-Magazines / FN MAG SLEEVE FN 509M 9MM 17RD You cannot add "Smith and Wesson MAGAZINE M&P45 10RD FDE BASE" to the cart because the product is out of stock. 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 FN MAGAZINE FN 509M 9MM 10RD $5699 Sale! Ruger MAGAZINE SR40/SR40C 15RD $4895 $4610 Taurus MAG 1911 OFFICER 45ACP 6RD $3499 SIG SAUER MAGAZINE 1911 COMPCT 45ACP 7RD $3499