4 Verbs to Use for the Word firer

They, too, had brought quick-firers across the bridges and, taking cover behind some of the houses, trained their guns upon those from which the French gunners were firing their last shots.

They've got a quick-firer.

[Footnote 12: The instructor should take cognizance of the fact that the proper aiming point is often affected by the personal and fixed peculiarities of the firer, and if unable to correct such abnormalities, permit firer to direct sight at such point as promises effective results.

They must have set those anti-aircraft quick-firers of theirs in fresh elevated emplacements after the Yankees had taken the measure of their power to do harm; but the trap, if such it was intended to be, had failed to catch a single victim.

4 Verbs to Use for the Word  firer