I remember there used to be a range in Ontario/Rancho Cucamonga area. It was off of archibald and 7th or something like that. Don't remember the exact name but I believe it was called Magnum Range.
9049 9th St
Rancho Cucamonga, CA
West End Gun Club
1324 W 4th St
I don't know if this one is public. Just pulled it off the internet.