In addition to regular air rifles, all the cool kids are using the for international shooting, including the Olympics. Some of them cost more than $4k.

Such costs were an insurmountable barrier to setting up or keeping a range open, especially at the high school level.
Shooting clubs successfully petitioned professional shooting organizations to allow shooters to compete with the same rifles they practiced with, and rifle manufacturers kept improving their products.
The important question to ask is, “Does your state classify them as a ‘firearm’?”