Home / Accessory-Magazines / Heckler and Koch (HK USA) MAGAZINE CC9 9MM 10RD EXT View cart “FN MAGAZINE FN 509C 9MM 10RD BLK” has been added to your cart. Sale! Heckler and Koch (HK USA) MAGAZINE CC9 9MM 10RD EXT$4999 Original price was: $4999.$4826Current price is: $4826. In stock Heckler and Koch (HK USA) MAGAZINE CC9 9MM 10RD EXT quantity Add to cart SKU: 51000492 Category: Accessory-Magazines Product ID: 118199 Description Description Extended Floor Plate Related products Warne CZ 75 9MM MAG EXTENTION +5 GRY $4449 SIG SAUER MAGAZINE 1911 COMPCT 45ACP 7RD $3499 Taurus MAG 1911 OFFICER 45ACP 6RD $3499 Springfield Armory MAGAZINE XD-S 40SW 6RD $3099