Home / Accessory-Magazines / FN MAGAZINE FN 503 9MM 8RD BLK View cart “FN MAGAZINE FN 509M 9MM 10RD” 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 Walther Arms MAGAZINE PPQ M1 9MM 15RD $4900 Ruger 77/17 MAGAZINE 17HORNET 6RD $3795 Springfield Armory MAGAZINE XDE 9MM 8RD FLUSH FIT $3699 Sale! Bergara MAGAZINE B14R 22LR 10RD AICS $4900 $4479