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 FN MAGAZINE FN 509C 9MM 10RD BLK $5700 Springfield Armory MAG XDM ELITE CPT 45ACP 10RD $3699 Sale! Ruger MAGAZINE SR40/SR40C 15RD $4895 Original price was: $4895.$4610Current price is: $4610. Sale! Warne M&P 9/40 MAG EXTENSION BLK $4999 Original price was: $4999.$4869Current price is: $4869.