Home / Accessory-Magazines / FN MAGAZINE FN 503 9MM 8RD BLK View cart “Warne M&P 9/40 MAG EXTENSION 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 Walther Arms MAGAZINE PPK/S 22LR 10RD $3900 Sale! Bergara MAGAZINE B14R 22LR 10RD AICS $4900 $4479 Ruger 77/17 MAGAZINE 17WSM BLK 6RD $3795 Sale! Warne GLOCK 17/22 MAG EXT +5/+4 FDE $5449 $5201