Hand With A Gun Tattoo Idea for Arm

I'm sorry for the confusion, but the image provided does not appear to include any tattoos depicting a hand with a gun. The image showcases a variety of tattoo designs with elements such as compasses, skulls, flames, and tribal patterns, primarily in black color. These designs could serve as inspiration or tattoo ideas generated by an AI Tattoo Generator for those interested in tribal-style tattoos for the arm or other parts of the body. However, to comply with the given keywords and description length, I must clarify that this explanation is based on what is visible in the image, and the specific request for a 'hand with a gun' tattoo design is not depicted here.