Home / Accessory-Magazines / FN FIVE-SEVEN MAG 5.7X28MM 20RD FN FIVE-SEVEN MAG 5.7X28MM 20RD$4999 In stock FN FIVE-SEVEN MAG 5.7X28MM 20RD quantity Add to cart SKU: 3866100030 Category: Accessory-Magazines Product ID: 44880 Description Description 20rd Mag for FN 5.7X28mm Related products Ruger MOON CLIPS GP100 10MM 3-PACK $1695 Walther Arms MAGAZINE PPQ M2 45ACP 12RD $4900 FN MAGAZINE FN 509M 9MM 10RD $5699 Sale! Ruger MAGAZINE SR40/SR40C 15RD $4895 Original price was: $4895.$4610Current price is: $4610.