Being a Reservist here at Charleston flying the C-17 (and doing nothing else but being a professional Reservist) I've averaged 600 hours a year for the last 4 years. That's with taking as many trips as I could, not saying "no" too often, and two voluntary deployments with the active duty.

In our world, you can fly a ton, or very little. It's all up to what you want to do.