Home / Accessory-Magazines / FN MAGAZINE FN 503 9MM 6RD BLACK View cart “Ruger SECURITY9 COMPACT MAG 9MM 10RD” 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 XDE 9MM 8RD FLUSH FIT $3699 FN MAGAZINE FN 509M 9MM 10RD $5699 SIG SAUER MAG 320/250 FULL 9MM 10RD $4999 Sale! Ruger SECURITY9 COMPACT MAG 9MM 10RD $4295 Original price was: $4295.$4191Current price is: $4191.