Welcome aboard The best matches close to you will be : Cool Springs(4th Sunday), East Alabama Gun Club(3rd Sunday), and South River(1st Sunday).
You can find more info at GeorgiaIPSC.com or USPSA.org.
All you need are a gun, holster, 3-4 mag holders, and bullets.
Come to one of these matches and we'll get you started.
Click on my Youtube link abd you'll see action from all these.
Fell free to PM me if you have any questions.
Again, Welcome.