Here is the model that the Canadian forces are using. There was a piece
on a CBC news program of a team in Afganistan picking off targets at
over a mile.
http://www.sfu.ca/casr/101-tac50.htm

jim rozen wrote:
Interesting link.

http://www.thegunzone.com/shot/barrett.html

I was unaware that our government supplied them to AQ btw.

Jim