Gun manufacturers take great pride in not just the functionality of a gun, but also, the aesthetics of it. Some firearms are designed to have a mirror finish on their zinc die cast hardware. This hardware is polished to a high luster and then copper/nickel plated for corrosion protection and beauty.
Recently, I was called by a firearms manufacturer who found a number of very small visual defects – nicknamed “stardust” – on random lots of material. These defects were typically less than 0.003” diameter (smaller than the diameter of a human hair) but still detracted from the shininess of the firearm.Read More