I'm from Decatur, about 1.5hrs North of B'ham.
There is actually a public airgun range in Heflin, which is East of Birmingham by a little over an hour. There are regular FT shoots there hosted by the Mt. Cheaha Airgunners but on weekends like most clubs do.
Not sure of any stores that carry anything other than Crosman and Gamo with the exception of Bass pro Shops in Leeds, AL that may have a RWS 34 and RWS pellets.
If you are heading down from Illinois, you might could stop by Rapid Air Weapons in Minor Hill, TN and check out some rifles. Call ahead first though.
If you go through Decatur and need help, info, or whatever feel free to give me a shout.