The Henry comes with a Picatinny rail formed into the top of the alloy receiver. I install a Bushnell red dot for close-range small game hunting.
When I know those shots will likely be longer, I swap out the red dot with my BSA scope. It's very inexpensive at only $50, but it has served me wall for years and has a parallax correction ring for those close shots. This was the first cotton tail I bagged with this new rifle.