I see T7 hasn't posted the "newbie" copy+paste that I got, lol.
Welcome to Airsoft man. If you've got any questions try looking them up in the FAQs this website has. If you are unable to find the answer you were looking for, feel free to ask around, someone will get you the proper response in due time.
I guess I'll see you around the London Airsoft games and such as I live in London aswell. Just had my 17th Birthday on the 25th of April, so I'm not far behind you, lol