What is an important consideration when handling the M240 during combat?

When handling the M240 during combat, managing the temperature control of the barrel is crucial for several reasons. The M240, like many automatic firearms, generates a significant amount of heat during sustained fire. If the barrel overheats, it can lead to a number of operational failures, including a decrease in accuracy, potential damage to the weapon, and even cook-offs—where a round discharges unexpectedly due to extreme heat.

Maintaining proper temperature ensures the reliability and effectiveness of the weapon. Gunners must be aware of their firing rates and rest periods to allow the barrel to cool down between bursts. This practice helps extend the lifespan of the weapon and enhances the safety and performance of troops in combat situations. Adhering to these temperature control measures can significantly impact the operational effectiveness of the M240 in a firefight.