These bullets have swaged lead cores and so are then copper-plated. Following copper-plating, just about every projectile is re-struck to make certain that the plating is reliable and the sizing is accurate. Berry's bullets is actually a loved ones owned business and their merchandise are made in the United states. https://mariopblvd.blogars.com/35774896/the-basic-principles-of-9mm-bulk-bullets-for-reloading