No, get a G&G CM16 from a reputable retailer. (Proairsoftsupplues, zeroone, firesupport etc)
And have a look at this thread http://www.airsoft-forums.co.uk/index.php/topic/12854-new-player-guides-info/
OR, if it's just for backyard shooting, you could get a DE Tri shot, a couple of shells and you're set.