Here's some pics of my MARPAT loadouts at the time. (And I know that the Calico Jack is Navy Seals patch, not marines)
This loadout is more MARPAT loadout, than USMC.
Kitlist:
American Apparel issue MARPAT
Sekri issue MARPAT fieldcap
SpecOps Recon Wrap
Revision Army Desert Locust Goggles
Magnum Amazon Desert Boots
1st Line:
Eagle Duty Belt
Strike Systems Utility Leg Rig
Tactical Tailor Modular Pistol Holster
2nd Line:
Eagle Plate Carrier
RAV ID Panel
Supplycaptain 5.56mm Triple Modular Magazine Pouch (2x)
The hydration system is Camelback