I hate to expose my ignorance so publicly, but if you don't ask, you never find out...
So: despite shooting for most of my life, I don't really know how to tell if a bore is rusted or pitted. Could people give me some pointers, assuming that I don't have access to a bore scope?
I have a .222, and when you look down the bore, holding it up to the light, there are a number of darker streaks, clustered in a few places - mainly within the first 3-4 inches. These remain even after fairly vigorous cleaning. What do these represent?
So: despite shooting for most of my life, I don't really know how to tell if a bore is rusted or pitted. Could people give me some pointers, assuming that I don't have access to a bore scope?
I have a .222, and when you look down the bore, holding it up to the light, there are a number of darker streaks, clustered in a few places - mainly within the first 3-4 inches. These remain even after fairly vigorous cleaning. What do these represent?