Home / Accessory-Magazines / FN MAGAZINE FN 503 9MM 8RD BLK View cart “FN MAGAZINE FN 503 9MM 6RD FDE” 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 Springfield Armory MAGAZINE XDE 9MM 8RD FLUSH FIT $3699 Sale! Ruger SECURITY9 COMPACT MAG 9MM 10RD $4295 $4191 Warne CZ 75 9MM MAG EXTENTION +5 GRY $4449 Walther Arms MAGAZINE PPQ M1 9MM 15RD $4900