(Not a Teacher)
Here are some other idioms that come to mind:
We spotted them first and lit them up.
He crossed a couple of mobsters and got ventilated.
She was capped twice in the back of the head.
Helicopters raked the village with gunfire.
I sniped him off the guard tower.
We went in guns hot.
We're under fire!
They smoked him in front of a nearby bookstore.
I tagged him in the chest with my revolver.
We sent some rounds downrange for an hour or two.
He was shot down during the ensuing firefight.
He said the wrong thing and was gunned down then and there.
My pistol stovepiped at an inopportune moment.
This gun's got some mean kick.
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