OK-go ahead and pick on my old weaver steel tube.
I decided long ago that as soon as it even sneezed,I'd replace it with a leupold. But it never has SO FAR.
ORIGINAL: .25MOA
I think UncleNorby may have hit on something solid, as I have never seen a 30-30 equipped with what I would call a quality optical sight. Most have "scopes" I wouldn't put on my 6 yr old cousin's Red Ryder bb gun.