Got mine and installed it. I haven't ridden at night yet but will report back when I do. The Baja Design O ring doesn't fit. I'm hoping the supplied O ring is all that is needed.
The word "good" has many meanings. For example, if a man were to shoot his grandmother at a range of five hundred yards, I should call him a good shot, but not necessarily a good man. ~G.K. Chesterton