Good answer Crunch. To add my own two cents, I thought I could waltz into airsoft and start taking apart my aeg to see how it works. Long story short, I spent alot of money to have it fixed, and learnt my lesson; If you're a noob and you're curious to know how your brand new toy works, ask somebody who knows what they're doing to open her up, it'll save you alot of trouble, let alone a heap of cash.
I knew a man once who said "Death smiles at us all. All a man can do is smile back."