The "starter"
The person is usually called "the starter."
A "Round" is usually how many shots are in the loading chamber. it can be one or many. A BB gun can carry 100 ROUNDS but only fires one ROUND at a time. A Machine gun fires many rounds in a "burst".
The present day Gatling gun fires a more powerful cartridge, and fires much faster. The 1800s gun was hand cranked, the present day version is powered by an electric motor. One modern Gatling gun is the GAU-8 gun on the A-10 Warthog aircraft- the gun is about as big as a Volkswagen, and fires a 30mm bullet that shoots through tanks.
Fires more than one shot without reloading.
A sub-machine gun fires pistol cartridges. A machine gun fires rifle rounds.
The person who starts the race by pulling the trigger of a gun is called the "starter." This official is responsible for ensuring fair competition and signaling the beginning of the race, typically in track and field events. The starter uses a starting gun to signal the athletes to begin running.
BB gun. Fires a round BB.
To hear the gun shot at the start of the race
Only one barrel fires at a time, giving each barrel the chance to cool slightly between shots. It also fires MUCH more rapidly than a standard machine gun.
The Railgun, it fires over double the speed of sound.
No. They trap and slow the release of gasses after the gun fires.
Artillery