Home / Accessory-Magazines / Kriss USA MAGEX2 EXTENSION KIT 45ACP FDE View cart “Smith and Wesson MAGAZINE M&P40C 40S&W 10RD” has been added to your cart. 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 FN MAGAZINE FN 509M 9MM 10RD $5699 Springfield Armory MAGAZINE 911 380ACP 7RD SS $2699 Sale! Ruger SECURITY9 COMPACT MAG 9MM 10RD $4295 Original price was: $4295.$4191Current price is: $4191. Sale! Ruger MAGAZINE SR40/SR40C 15RD $4895 Original price was: $4895.$4610Current price is: $4610.