Home / Accessory-Magazines / FN MAGAZINE FN 503 9MM 8RD BLK You cannot add "Ruger SECURITY9 COMPACT MAG ADAPTER" to the cart because the product is out of stock. FN MAGAZINE FN 503 9MM 8RD BLK$4999 Only 1 left in stock FN MAGAZINE FN 503 9MM 8RD BLK quantity Add to cart SKU: 20-100261 Category: Accessory-Magazines Product ID: 30213 Description Description Extended Black Baseplate Related products Ruger MOON CLIPS GP100 10MM 3-PACK $1695 Warne CZ 75 9MM MAG EXTENTION +5 GRY $4449 SIG SAUER MAGAZINE 1911 COMPCT 45ACP 7RD $3499 FN MAGAZINE FN 503 9MM 6RD FDE $4999