Answer: machinegun

AnswerCrossword Clue
MACHINEGUNRapid-fire weapon
MACHINEGUNFast firer
MACHINEGUNGatling's brainchild
MACHINEGUNRat-a-tat-tat weapon
MACHINEGUNProp in many an action film
MACHINEGUNRapid firer
machinegunAn automatic rapid-firing gun on a stable but portable mounting / to shoot with a machinegun