Cor-Bon has been in business for over 25 years. Since the beginning, they've been producing quality ammunition with the use of their state of the art equipment. All Cor-Bon ammunition is loaded to SAAMI specifications.Loaded with pure copper bullets, the DPX line offers deep penetration with 100% weight retention. This ammunition is new production, non-corrosive, in boxer-primed, reloadable brass cases. Special Note About Cor-Bon Ammunition: Cor-Bon will occasionally use popular industry branded brass when loading their ammunition depending on availability. ATTENTION RESIDENTS OF THE STATE OF CALIFORNIA: This bullet loaded in this ammunition is certified by the State of California to be in compliance with the California Lead-Free Ban and meets the criteria under the Condor Preservation Act.