Check out this video. Is it real? It looks real to me. The shot to hit timing seems right, you can hear the sonic boom as the bullet passes by, and that is what watermelons look like when they get shot by high powered rifles. At least he went to MS, home of the best marksmen in the U.S.
http://www.youtube.com/watch?v=fWvXam499yI
http://www.youtube.com/watch?v=fWvXam499yI