Home / Accessory-Magazines / FN MAGAZINE FN 503 9MM 8RD BLK View cart “SIG SAUER MAG 320/250 SUBCMPCT 9MM 12RD” 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 XD-S 40SW 6RD $3099 Taurus MAG 1911 OFFICER 45ACP 6RD $3499 Walther Arms MAGAZINE PPQ M2 45ACP 12RD $4900 Smith and Wesson MAGAZINE M&P40C 40S&W 10RD $4200