Home / Accessory-Magazines / FN MAGAZINE FN 503 9MM 6RD FDE View cart “Warne GLOCK 19/23 MAG EXT +5/+4 GRY” has been added to your cart. FN MAGAZINE FN 503 9MM 6RD FDE$4999 Only 2 left in stock FN MAGAZINE FN 503 9MM 6RD FDE quantity Add to cart SKU: 20-100507 Category: Accessory-Magazines Product ID: 26000 Description Description FDE Baseplate Related products FN MAGAZINE FN 509M 9MM 10RD $5699 Sale! Warne M&P 9/40 MAG EXTENSION FDE $5499 Original price was: $5499.$5237Current price is: $5237. Springfield Armory MAGAZINE 911 380ACP 7RD SS $2699 FN MAGAZINE FN 509 9MM 10RD FDE $5699