US Marshall seems to accidentally hit his mag release whilst trying to break the car's window

Imagine the driver opened fire on him....

I think he didn't seat the mag. With the AR if you have 30 rounds in the magazine this is apt to happen. Always make sure by pulling on the mag after loading or reloading. Good habit to get into and this guy should start today.

FIRE THAT BASTARD!!!! OR SEND HIM BACK TO FIREARMS TRAINING

He wouldn't be breaking car windows with his own rifle. He's carrying around 80 lbs of shit strapped to his body and he doesn't have a tool for that??
It's ok there's an unlimited supply of tax dollars, and an obstructed gun barrel isn't hazardous.

Id pretend i did it on purpose then start smashing the perp in the nose with my rifle

I wondered why they were so keen to get it out of the driving seat. Primates can't have driving licenses, so that car is almost certainly uninsured.