Wow, judging by some of the replies I over pack.......
Here is what is in my current range bag (for rifle & pistol) as I take it all out:
Ear muffs- looped around the bag handle
Sharpie marker- clipped to one of the zippers
In the rear most pocket:
Stapler & staples
Paper targets...some already shot up
Small first aid kit
Surplus M16 cleaning kit
Package 1" target dots
Package 2" target dots
Lens cleaner
Benadryl
Glock owners manual
USPSA handbook
Blistex
Sun block
Hand sanitizer
Front pouch/compartment:
Hoppes gun oil (small bottle)
Hoppes powder solvent (small bottle)
Tetra gun grease (small tube)
Bug spray (small bottle)
Dry grip (small tube)
.22 cal bore snake
.30 cal bore snake
Glock cleaning rod
Some patches and other misc cleaning gear
Left end pouch:
Package of disposable ear plugs
Two small flat screwdrivers
Misc Glock replacement parts
Right end pouch:
Usually a bulk pack of .22 ammo or in todays case it was used to hold empty brass and enblock clips.
Main compartment:
Targets
2-3 ParaOrd mags
3-4 glock mags
3 browning .22 mags
3 10/22 mags if taken
3-5 empty chamber flags
A truck load of ammo
And I usually jam a pistol or two in there.