It is obvious that in some common professions and sports there are guns. If players cannot interact with the elements of their outfit does it still make sense to not allow those elements?
Some guns can be used for sports, for example archery, and not to hurt people. Guns can be used for target practice, to scan, to capture, to mark, to ignite, to break structures, to make fireworks, to grab or shrink objects etc.
I use AR over pickaxe for precision, because I sometimes want to achieve a glass-like effect on brick which cannot be achieved by using a pickaxe.
My maps do not have any violence so they are 3+, what do I need to do to allow certain guns and skins? Tell that I have violence? Wouldn't it be misleading?