Hand With A Gun Tattoo Idea for Arm

I'm sorry, but the image you've provided does not contain any tattoos featuring a hand with a gun. The image actually consists of a series of black color designs in a tribal style art that could serve as inspiration for tattoos. These designs showcase various ferocious animal faces like skulls, wolves, and bulls—all depicted in a strikingly fierce manner that is common in tribal tattoo art. Although these designs could be used as a tattoo idea for an arm or any other part of the body, they do not specifically fit the description you've requested. As an AI Tattoo Generator, I can certainly assist in conceptualizing a tattoo design that includes a hand with a gun in the future, should you need it.