Home / Accessory-Magazines / FN MAGAZINE FN 503 9MM 6RD BLACK View cart “Warne GLOCK 17/22 MAG EXT +5/+4 FDE” has been added to your cart. FN MAGAZINE FN 503 9MM 6RD BLACK$4999 In stock FN MAGAZINE FN 503 9MM 6RD BLACK quantity Add to cart SKU: 20-100262 Category: Accessory-Magazines Product ID: 30108 Description Description Black Baseplate Related products Springfield Armory MAGAZINE XD-S 40SW 6RD $3099 Sale! Warne GLOCK 19/23 MAG EXT +5/+4 GRY $5449 Original price was: $5449.$5201Current price is: $5201. FN MAGAZINE FN 509M 9MM 10RD $5699 Sale! Warne GLOCK 17/22 MAG EXT +5/+4 FDE $5449 Original price was: $5449.$5201Current price is: $5201.