The shotgun is a popular add-on for Blockland. It is a firearm in the style of the gun that fires three pellets. If each pellet hits the target, they will kill most ordinary blockheads. It can destroy a brick easier than most firearms. Its full name is the "sawn-off shotgun", but is typically just called the "shotgun". It was created by the user Ephialtes, he promoted it by saying that it was "perfect for robbing a jewelry store".
A real life-example would be this.