If you can legally shoot just stack a bunch of old tires behind your target stand or have a dozer just build you a sand berm to catch any passing rounds.
Or just line up all the nayboobs on this blog and put them behind the target.
"Return the Democratic Party to it's Pro-Life roots and remove control of it from the Neo-Liberals!
I am as awesome as a man can be, especially when I am passionate about something. ~ Glryinthhighest