These bullets have swaged lead cores and they are then copper-plated. Following copper-plating, each individual projectile is re-struck to make certain that the plating is constant and the sizing is accurate. Berry's bullets is usually a household owned business as well as their goods are made inside the United states. https://bulk-9mm-bullets07406.angelinsblog.com/36050676/5-simple-techniques-for-100-grain-9mm-bullets-for-reloading