These customization options are a lot of fun and can give players an edge in battle or help them look just a little bit cooler to other players. They can also acquire new skins for each weapon that will change the looks of them in-game. Players can add different attachments to their weapons that will boost stats in different ways. As time has passed in Call of Duty: Modern Warfare, players have been given many ways to experiment with different customization options in the game.