If you mean a noise humans hear, it is spelled sound. The gun made a loud sound.
bang, boom, crack, kapow, kaboom
dagadagadagadagadaga...
PewPewPew
I found this. "PRIZE MACHINE GUN and PRIZE MACHINE GUN CO. were made by Simonis, Janssen & Dumoulin who was located in Leige,Belgium from 1873 to 1914." "The name MACHINE GUN has nothing to do with a rapid fire repeating gun. It means the gun was made on machinery as opposed to being hand made and fitted."
The first true machine gun was invented by Hiram Maxim in the United Kingdom.
steel
In a factory.
Yes
Spelled Uzi, it is a submachine gun made in Israel.
The first was the gatling gun invented in 1862
The stick magazine fed hand cranked gatling gun was probably the first machine gun produced.These were in use around 1875-1880.