The only thing that can be done is to wait. There are no exceptions to the law. If you are under-age, all you can do is save your money and do your research. If you're lucky, you can get onto a field for some experience. I wish I was fortunate enough to know someone who owned airsoft, but alas I must wait until I'm buying my own to get experience. December, here I come...
Don't bite the hand that feeds you...it'll hit back.