The Daily Iraq errors report

[Marcello]

Originally Posted by DRG

Icon 3219 is an ACRV and a MT-Lbu is not an ACRV.
Don

Yes and no. From what I have read MT-Lbu is the name of the basic chassis upon which several artillery command & control vehicles (and other variants) are based, ACRVs among them.

See this for example:

"MT-LBu (IV12 series) ACRV M1974"
http://www.fas.org/man/dod-101/sys/land/row/mt-lbu.htm

So indeed not all MT-LBu are ACRVs.
However this unit is a FO and is called MT-LBu, so it is most likely meant to be a MT-LBu based ACRV or similar.
In any event even if it was not an actual ACRV its icon, being that vehicle built on the MT-LBu, is more appropriate than the standard MT-LB.
The iraqis certainly had them:

http://www.flickr.com/photos/24449660@N04/2703322125/