Noise, some people don't want ant more noise in their neighborhood.
Stray bullets
Some people have an irrational fear of guns hate them and they don't want anyone else to have or enjoy them.
Property values. big landowners afraid that gun ranges lower price of property.
People are often opposed to things that wouldn't benefit them personally. Some people are so afraid that others might enjoy something and hate seeing people happy.
I wonder the same thing about medical marijuana.