It is a tiny pistol that is very powerful.
There is also a special weapon on the chair to the right of the entrance door called the Loud Locust. Go down the hallways and stairs to reach a secret room containing a colorful shooting gallery with images of the developers of the game. Shoot the 'Employees Only' door with any weapon until it opens.
You may be able to do this at any Let's Pretend store. In the 60's version of Steelport when you walk down the stairs of your house, you see the words ' Leave It To The Saints. You can enter one of the codes below for the corresponding effects. While the Saints Row franchise may be known for it's wacky protagonists and ridiculous gameplay, there are ways to make SR4 even more ridiculous by entering the following cheat codes.