The rodeo grounds here in our AZ mountain town is about five or six blocks from our house, and one Saturday we were hearing the sound of constant gunfire from over that direction. More than a little curious, we walked over and found a mounted, single-action shooting competition going on. Check this out:
Cowboy Mounted Shooting (http://www.youtube.com/watch?v=iihCQlPFIMk#normal)
Go see one live if you get the chance!
http://www.sassnet.com/mounted_news.php (http://www.sassnet.com/mounted_news.php)