Stealth vs Peasy, gun precision

She thumbed the selector and her right pistol emptied its magazine into the giant’s head. Eighteen rounds clustered on the cross tattoo. The huge ex staggered back and fell.
A Seventeen screamed and brandished his gun. She put a round through his knuckles and the machine gun’s magazine exploded in his hand. One of the trucks surged forward and two shots through the windshield brought it to a stop.

Excerpt From Ex-Heroes, pg 426
Peter Clines
https://books.apple.com/us/book/ex-heroes/id585738407