Home / Accessory-Magazines / FN MAGAZINE FN 509C 9MM 12RD BLK View cart “Ruger SECURITY9 COMPACT MAG 9MM 10RD” has been added to your cart. FN MAGAZINE FN 509C 9MM 12RD BLK$5699 Only 2 left in stock FN MAGAZINE FN 509C 9MM 12RD BLK quantity Add to cart SKU: 20-100375 Category: Accessory-Magazines Product ID: 31564 Description Description Black Pinky Ext. Baseplate Related products Sale! Warne GLOCK 17/22 MAG EXT +5/+4 FDE $5449 Original price was: $5449.$5201Current price is: $5201. Ruger 77/17 MAGAZINE 17WSM BLK 6RD $3795 FN MAGAZINE FN 509M 9MM 10RD $5699 Smith and Wesson MAGAZINE M&P40C 40S&W 10RD $4200