Stacking pouches on UG Sleds placards?

Hey there, I have a BFG ten speed triple 5.56 pouch on the way that I was planning on stacking on top of my UG Sleds-K to carry additional mags/tools. I've heard that UG is coming out with a panel to allow the placards to accommodate 5 rows of molle, but in the meantime has anyone tried this combo? Am I SOL?