Home / Accessory-Magazines / FN MAGAZINE FN 509C 9MM 12RD BLK View cart “Warne M&P 9/40 MAG EXTENSION FDE” 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 M&P 9/40 MAG EXTENSION BLK $4999 Original price was: $4999.$4869Current price is: $4869. Walther Arms MAGAZINE PPQ M1 9MM 15RD $4900 SIG SAUER MAG SP2022 357SIG/40S&W 10RD $4999 Ruger MOON CLIPS GP100 10MM 3-PACK $1695