[quote=@bravewolfd]
Type of guns doesn't really matter considering the world is not earth
[/quote]

To be fair, it helps in allowing the players to understand how to respond. If one person has a gun, how do they use it? Does it have the qualities of a sniper rifle or is it a short-range pistol that loses accuracy rapidly with distance? As the person being aimed at, would they be close enough that I am aware? Should I respond to a gun wound with the knowledge of expanding bullets in terms of damage assessment? They don't have to be exact guns that exist, but it helps to know what's going on.