Sentence:  But we never got to take the shot I'd been trained to take, that beautiful single shot that takes out a man's head, or the <WSD>gutshot</WSD>—Chris Kyle's favorite—that allows him to bleed out and die a little slower, maybe think about all the ways he might have lived a different and better life. 
Meaning of the word marked with <WSD> tags:  A shot in the gut.