What discipline do you shoot mate? Could change what's in the bag lol
For pistol I have a 5.11 tactical range bag that holds all my gear:
Pistols
Ammo
Cleaning kit that has brushes and jags for various calibres, patches, oil, solvents and various tools for sight adjustment and such
A brass rod for knocking out stuck bullets
Magazines/ speed loaders
Safetys/ear muffs
Holsters
Notebook
For rifles I've got a big box that doubles as a cleaning rest and that holds:
Cleaning gear
A bag of tools (screwdrivers, a couple of different picks, toothbrush)
Some old rag
Safetys/ear muffs
Notebook
Outside of that box I also take a front rest, chronograph, ammo box, cleaning rods and a spotting scope.
I think that's everything