Home / Accessory-Magazines / Heckler and Koch (HK USA) MAGAZINE CC9 9MM 12RD EXT View cart “Warne GLOCK 19/23 MAG EXT +5/+4 GRY” has been added to your cart. Sale! Heckler and Koch (HK USA) MAGAZINE CC9 9MM 12RD EXT$4999 Original price was: $4999.$4826Current price is: $4826. In stock Heckler and Koch (HK USA) MAGAZINE CC9 9MM 12RD EXT quantity Add to cart SKU: 51000488 Category: Accessory-Magazines Product ID: 118196 Description Description Extended Floor Plate Related products Sale! Warne M&P 9/40 MAG EXTENSION FDE $5499 Original price was: $5499.$5237Current price is: $5237. FN MAGAZINE FN 509C 9MM 10RD BLK $5700 Springfield Armory MAGAZINE XD 40SW 12RD SERV/TAC $3099 Sale! Warne M&P 9/40 MAG EXTENSION BLK $4999 Original price was: $4999.$4869Current price is: $4869.