Home / Accessory-Magazines / FN MAGAZINE FN 509C 9MM 12RD BLK View cart “Smith and Wesson MAGAZINE M&P40C 40S&W 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 Springfield Armory MAGAZINE 911 380ACP 7RD SS $2699 SIG SAUER MAG SP2022 357SIG/40S&W 10RD $4999 Sale! Warne M&P 9/40 MAG EXTENSION BLK $4999 Original price was: $4999.$4869Current price is: $4869. Springfield Armory MAGAZINE XDE 9MM 8RD FLUSH FIT $3699