This 9mm ammo’s steel cases are zinc-plated. They’re prettier because of it, and they get a little further security from corrosion as well. Aguila is within the nueve milímetros camp, Mexican ammo company that they're. This here is the exact same 9mm ammo Aguila provides to Mexican navy bases. At https://paxtoniymxi.blog2learn.com/82240450/5-simple-statements-about-trophy-copper-30-30-win-explained