This weapon in Counter-Strike: Global Offensive does not exist in real life.

The M4A4 weapon in Counter-Strike: Global Offensive does not exist in real life because it was specifically created for the game. While there is an actual weapon called the M4A1, Counter-Strike modified its attributes to create a distinct gameplay experience. The M4A4 differs from its real-life counterpart in terms of its ammunition capacity, rate of fire, and other features to maintain balance and fairness within the game's mechanics.