I too use the big Midway bag.
Four handguns (usually just two, I'm usu carrying two on me)
Several hundred rounds of revolver, auto and shotgun ammo
Gun cleaning stuff, rods/jags/loops etc, screwdrivers, pliers, small hammer, squib rod, QTips, toothbrush, BreakFree
Patches, rags, flashlight, magnifier, inspection mirror
Large and small sharpie marking pens, ball point pens, pencils
Targets and pasters
Steno pad for taking notes on ammo, conditions, targets
Painter's masking tape 1 inch and 2 inch wide
Eyes and ears
First aid kit, space blanket, lighter, matches, compass
Trash bags, nitrile gloves, alcohol preps, hand sanitizer
16 x 24 inch piece of short nap carpet to pad guns on concrete range benches
Mesh bottom brass collection bags (nylon cordura water bottle carriers, one for each caliber)
Digital camera
Water bottle
All in one bag. Hand carry or shoulder strap. About 40 bucks from Larry. Your choice of black, tan, OD Green.
Sgt Lumpy