There really isn't anywhere that close; The spot Boriqua is talking about has posted No Shooting signs, last time I was there a few years ago.
Queen Valley is the closest you can get these days...but here is a map with tons of options.
https://www.google.com/maps/d/u/0/viewer?mid=1M0reiAxY7jpuQOw4MPNNUOV0F5M&ll=34.003006284218536%2C-112.1952554852101&z=8