These bullets have swaged guide cores and therefore are then copper-plated. Right after copper-plating, just about every projectile is re-struck to make certain that the plating is consistent and also the sizing is correct. Berry's bullets is really a relatives owned company and their products are created inside the USA. https://sergiognppm.widblog.com/93629065/5-simple-techniques-for-100-grain-9mm-bullets-for-reloading