At the public range I used to go to before it was closed by bubba, I never went downrange without a loaded gun. It worried me to walk away from my things so I took my loaded handgun downrange too. Holstered, but the idea was that if someone started cleaning off my table, I could dissuade them from distance, lol.
It didn't help. They watched until the moment I turned and then snatched a G21 Mag off my table. It could have been worse. They could have taken my RH. Nothing beats a 2nd man there to stay with the table.