Home / Accessory-Magazines / FN MAGAZINE FN 503 9MM 8RD BLK View cart “Smith and Wesson MAGAZINE M&P45 10RD FDE BASE” has been added to your cart. FN MAGAZINE FN 503 9MM 8RD BLK$4999 Out of stock SKU: 20-100261 Category: Accessory-Magazines Product ID: 30213 Description Description Extended Black Baseplate Related products Warne CZ 75 9MM MAG EXTENTION +5 GRY $4449 Springfield Armory MAGAZINE XD-S 40SW 6RD $3099 Ruger MOON CLIPS GP100 10MM 3-PACK $1695 Walther Arms MAGAZINE PPQ M2 45ACP 10RD $4900