Search:

Lands are the spirally bit that groove the bullet and make it spin
The bore(or grooves) is the rest of it that is the same size as the bullet.
That old it is most likely pitted from corrosive...

I was thinking if it was blueing you hadn't worn it out yet.
Still not entirely sure if you are talking about the bore or lands.
its possible it will never appear shiny even if clean.
If your...

Blueing?

And your calling the lands the bits that bite into the bullet right?

Sent from my GT-S5360T using Tapatalk 2