Home / Accessory-Magazines / FN MAG FN 509 9MM 24RD BLK KIT FN MAG FN 509 9MM 24RD BLK KIT$7400 In stock FN MAG FN 509 9MM 24RD BLK KIT quantity Add to cart SKU: 20-100423 Category: Accessory-Magazines Product ID: 45681 Description Description Black BaseplateIncludes 3 Spacers Related products SIG SAUER MAG 320/250 FULL 9MM 10RD $4999 SIG SAUER MAGAZINE 1911 COMPCT 45ACP 7RD $3499 Walther Arms MAGAZINE PPQ M2 45ACP 12RD $4900 Sale! Warne M&P 9/40 MAG EXTENSION BLK $4999 Original price was: $4999.$4869Current price is: $4869.