CORBON s DPX (Deep Penetrating X-panding) ammunition is a PROVEN hunting load in the field, it utilizes an all-copper hollow point or tipped bullet. DPX Hunter is available in rifle loads as well as handgun hunting loads. The reliable solid copper bullet provides consistent expansion, and deep penetration. Weight retention is 100 with this load even if thick hides, heavy, dense muscle or large heavy bones are encountered. When hunting wild game from Coyotes to Cape buffalo, CORBON DPX has a load to handle them all.