Yeah, you can fit the carrier in there.
Here's the specs:
11 body zippered pockets. 2 Slot pockets for toolage. Hydration pocket holds 2 X 100 oz bladders. Interior Radio pouch & 2 *Plus* pockets. Upper pocket has 2 interior pouch pockets. Elasticized lid for a snug & weatherproof closure to main body Storm skirt for overload capacity & weatherproofing. Compression straps, 4x: side mount lash points, 1x overload. Grab handles, 3x: for emergencies, vehicle mount & lugging the thing around. ITW Snap-Dragons: Quick-release hardware on Shoulder pads & Sternum. "SWEET" zipper pulls: color coded, user friendly & silent running. ID patch: 2 loop x 10 Accessory web strips for ALICE clips & pockets. Thick dual density foam ( 1 ¼?), pads the frame, shoulder & hip pads cushion the carry. Fully adjustable Shoulder pads w/ overload stabilizers secure & adjust to any load. Field replaceable Delrin Sur-mount hardware.Capacity: main body: 3500 in3 + pockets: 2000 in3 (pockets)Weight: 8 lb. 6 oz.Size: One size fits most.Material: 500D Cordura, body & reinforcements 400D Packcloth, extensions & linings.
SOWT - We're discussing altering the design now so that the exterior pockets are romovable.