airsoft

I remember hearing a friend talking about these way back when, got bored and looked it up. Anyone ever used these? or collect them? I saw this http://www.airsplat.com/Itemdesc.asp?ic=AR%2DDE%2DSD87%2D80C2&eq=&Tp= and wondered how it could be less than 30 bucks >.>; Are these treated like...