I have shot long range out to 450 yds under perfect conditions, but don't think I would do this on game-

http://www.youtube.com/watch?v=Ssh8Vsbvn2A

Impressive or lucky? This dude shoots 1011 yds!! No suggestion of previous shots to compensate for wind or bullet placement. Looks like he is shooting a 338 Lapua or larger(a ?50?)