Home / Accessory-Magazines / Kriss USA MAGEX2 EXTENSION KIT 45ACP FDE Kriss USA MAGEX2 EXTENSION KIT 45ACP FDE$3299 Only 1 left in stock Kriss USA MAGEX2 EXTENSION KIT 45ACP FDE quantity Add to cart SKU: KVA-MX2K45FD00 Category: Accessory-Magazines Product ID: 103106 Description Description Fits G21 Magazines+17 rd. Extension30 rd. Total Capacity Related products Springfield Armory MAGAZINE XDE 9MM 8RD FLUSH FIT $3699 Sale! Warne M&P 9/40 MAG EXTENSION FDE $5499 Original price was: $5499.$5237Current price is: $5237. Ruger 77/17 MAGAZINE 17WSM BLK 6RD $3795 FN MAGAZINE FN 503 9MM 6RD FDE $4999