Platatac showed their new Operator Sustainment Back Panel which was developed in conjunction with Australia SOCOMD personnel to be compatible with their issue carrier. Above, you can see it in their national AMCU camouflage pattern.
It features zippers on either side to quickly attach to / detach from the vest, along with fixed pouches to accommodate 40mm and stun grenades and other items, as well as Velcro inserts.
Finally, there is a sleeve for tools.
