Military 1st got available at their online store, the Sparrow 20 II Rucksack from Wisport... "The Wisport Sparrow 20 II is a military and survival backpack with two separate compartments, a front pocket with an inner organiser, MOLLE webbing throughout and side compression straps to regulate the pack's capacity and mount extra gear.
Moreover, there are a large pocket and divider inside the main compartment and two additional pockets in the secondary chamber.