With the way horses like to wipe stuff off the pack, a backup is never a bad idea and space/weight penalty is nil. Run a pic rail, sight them both in and if you need it....you're going to be one shot from dialed.

Originally Posted by BrentD

I would not buy something that runs on any kind of primer given the possibility of primer shortages and even regulations. In fact, why not buy a flintlock? Really. Rocks aren't going away anytime soon.