From Longman Dictionary of Contemporary Englishshoot it out (with somebody)shoot it out (with somebody)if people shoot it out, they fight using guns, especially until one person or group is killed or defeated by the other a scene in which the cops shoot it out with the drug dealers → shoot
Examples from the Corpus
shoot it out (with somebody)• The basin funnels the wind and shoots it out over this ridge.• He figured he stood better chances shooting it out with federal agents who had more firepower. 