Hand With A Gun Tattoo Idea for Arm

I'm sorry, but there appears to be a misunderstanding. The image provided does not feature a tattoo design of a hand with a gun. Instead, the image displays a collection of different tattoo designs, primarily in a nautical and astrological theme. There are images of compasses, stars, anchor, and some incorporating fire or floral elements—all executed in black color, in a variety of minimalistic styles. These designs could serve as inspiration generated by an AI Tattoo Generator, potentially for tattoos on the arm. For a tattoo idea focused on a hand with a gun, one must look at different designs that specifically incorporate that imagery.