How many rounds can an M16A2 rifle magazine hold?

The M16A2 rifle magazine is designed to hold 30 rounds of 5.56mm ammunition. This capacity is standard for the M16A2, providing the rifle with a balance between firepower and manageable weight for the user. The 30-round magazine allows for sustained fire in combat situations without the need for frequent reloading, which enhances the effectiveness of the rifle in various operational scenarios.

The magazine is constructed to ensure reliable feeding of rounds into the chamber, which is critical for maintaining the rifle's functionality under different conditions. This standard magazine capacity is part of what makes the M16A2 a versatile and widely used firearm in military operations.