Home / Accessory-Magazines / FN MAGAZINE FN 503 9MM 8RD BLK View cart “Ruger SECURITY9 COMPACT MAG 9MM 10RD” has been added to your cart. FN MAGAZINE FN 503 9MM 8RD BLK$4999 Out of stock SKU: 20-100261 Category: Accessory-Magazines Product ID: 30213 Description Description Extended Black Baseplate Related products Walther Arms MAGAZINE PPQ M1 9MM 15RD $4900 SIG SAUER MAG SP2022 357SIG/40S&W 10RD $4999 Sale! Ruger MAGAZINE SR40/SR40C 15RD $4895 Original price was: $4895.$4610Current price is: $4610. Sale! Warne GLOCK 19/23 MAG EXT +5/+4 GRY $5449 Original price was: $5449.$5201Current price is: $5201.