Quoted:
I use a couple Blade-Tech mag pouches on my belt.
This works well - that and a dump pouch saw me through a carbine class just fine.
I also have an ATS warbelt, another 1st line belt or 2 in various stages of disassembly, an Eagle/SKD rig, an HSGI Popper, and an LBT plate carrier - nice to have options. I'm finding I really prefer a belt for reloads, and just use my chest-mounted stuff for backfills or tac reloads. That keeps the same general muscle movement for my primary and secondary/CCW reloads - support hand grabs mag from belt line.