Collecting weapons manufacturer's promotional materials is useful for "what-if?" scenarios, (and the occasional expense-account lunch). Whilst I indulge in both of these, reality has to intrude on 'hype'.
I agree with the 'theoretical' range for Javelin, but the actual operational range is given as 2000m in the document linked below:
[FM 3-22.37]
(Intended to instruct the 'PBI' on how to use the Javelin!)
http://www.globalsecurity.org/milita...-37/index.html