Home / Accessory-Magazines / Kriss USA MAGEX2 EXTENSION KIT 9MM FDE You cannot add "Ruger 77/17 MAGAZINE 17HORNET 6RD" to the cart because the product is out of stock. Kriss USA MAGEX2 EXTENSION KIT 9MM FDE$3299 Out of stock SKU: KVA-MX2K90FD00 Category: Accessory-Magazines Product ID: 103121 Description Description Fits G17 Magazines+23 rd. Extension40 rd. Total Capacity Related products SIG SAUER MAG SP2022 357SIG/40S&W 12RD $4999 Springfield Armory MAGAZINE XDE 9MM 8RD FLUSH FIT $3699 Warne CZ 75 9MM MAG EXTENTION +5 GRY $4449 Sale! Ruger MAGAZINE SR40/SR40C 15RD $4895 Original price was: $4895.$4610Current price is: $4610.