I came across this thread on a recent search and you may find this review valuable. There is a reason the owner has changed the name of his business three times, an insane number of complaints and problems.
http://www.gmc4x4.com/topic/888-tactical-armor-group-kennesaw-mountain/
http://www.gmc4x4.com/topic/888-tactical-armor-group-kennesaw-mountain/