The answer may depend on the game mode and player preference, but statistically, the AK-47 is one of the most popular weapons in CS:GO. It is a powerful assault rifle that can kill an enemy with a single headshot and has high damage overall. The M4A4 and M4A1-S are also widely used in CT due to their accuracy and versatility, and the AWP is a favorite rifle of snipers due to its high damage and one-shot kill capability. However, it is important to note that according to
cs:go compare, the most commonly used weapons are not necessarily the best for every situation, and players should always choose weapons based on their strategy and map.