I can't speak to that particular product, but I can say that the workmanship displayed by, and materials used by, Beez are first-rate.  There is a waiting period, but it is not unreasonable by any means.

I assume you already have the IOTV carrier.  If that's the case, may I suggest dyeing it?  Might save you a considerable amount of money, if you can use the result.  Equal parts Rit Apple Green and Taupe will give a sort of  greenish Coyote Tan.  More Apple Green >Greener;  More Taupe > Browner.  Trick is that you will be dyeing mostly the lighter elements of the UCP camo.  The darkest elements will change little, becoming either dark green or dark brown depending on the proportion of green to taupe dye used.  Some have said that using either straight Apple Green or straight Taupe, give a better contrast to the pattern, and so retain enough contrast for the pattern to not "blob out" at a distance.  I rather agree. 
See my thread on this sub-forum "On Dyeing With Rit Dye" for tips and pix. 
Also, check your IMs

Just drop them an e-mail, and ask, specifically which of their carriers (and auxiliary armor carriers, if need be) are certified to be GTG with your specific soft armor.  The auxiliary armor carriers I bought from them fit the soft armor intended for them perfectly.