First up, guy rented a pistol, and was asked "Do you understand how it operates?" "Yes, I know how to use it."
Few minutes later after RSO sees him having problems
While later, guy comes out: "My M&P is jammed. We chambered a round, it wouldn't fire, and now we can't get it to open." Grab muffs, go to see. Finally managed to get the slide back, but the round was stuck in the chamber; had to use a rod and some tapping to get it out. Which gave us a round with no primer and "What the hell?" Bit of cleaning and looking gave us