Judging from the price of it, its probably below 250 FPS with 0.2g BBs.
From reviews of it, its net even good for plinking beyond 5 feet.
Where do you plan on buying this from?
How old are you? if your under 18, don't even bother, just wait, save your money and get something good when your 18.
Also - hit up
www.atlanticairsoft.org, its the local bord for your area.