I am getting an airsoft gun but can't decide ?

[Paul B]

here are the links either a
m4
http://www.airsplat.com/Itemdesc.asp?ic=ERM%2DJG%2DM4A1%2D604&eq=&Tp= or a
g36c
http://www.airsplat.com/Itemdesc.asp?ic=ERM%2DJG%2DG36C%2D638&eq=&Tp=