I normally run with
8 M4 Midcaps
Speedloader
2 P226 mags
Hydro pack
General bits and bobs (torch, screw driver, knife, extra ammo)
Medical Kit (as I help out on site with First aid, contains Gloves, Dressings, and absorbent pads for bleeds)
Than on a Pantac RAV with the various pouches.