Plate capacity:
Side plate compatible up to 6" x 8"
Accepts Medium or Large Swimmer/ESAPI plates up to 10.25" x 13.25
That is the largest Condor recommends to keep the plates and vest properly secured and fastened.
I have this set with 10x12 AR500 lightweight in it. While the 11x14 will fit inside, the velcro "armor plate retention strap" would only grip on about 1" of velcro. I would think that any walking would cause the armor to keep dislodging & slip down, eventually wearing through the bottom flap. I think if you could extend the 2" wide velcro retention strap another 3 inches somehow, it would work. Don't know if they make an extension, anybody else know?
Light weight swimmers 11x14 III+ AR500 does fit the front
Take expert answer with one thousandth of a grain of salt. Purchased truth is the side accommodate 6 x 6 or 6 x 11 plates. May this information save you time, money and postage.