Here is some really good stuff on the Javelin!
http://www.strategypage.com/dls/arti...2/20021220.asp
Click on the links at the bottom (they both go to the same place) to see picks of this weapon fired against a fully loaded T-72. It's shocking! Also you will notice that the stated range to the target is 4000 meters.
This one is right from the horses mouth!
http://www.raytheon.com/products/javelin/
Click on the PDF formats to get the stats for this weapon.