Which option describes the change in rate of fire during bursts in the rapid rate of fire for the 240?

The rapid rate of fire for the 240 machine gun is characterized by the ability to deliver a high volume of fire in a short period of time. The correct answer, which describes the change in rate of fire during bursts, typically indicates that during rapid fire, the gun can achieve a burst of approximately 10 to 12 rounds. This is a crucial aspect of utilizing the 240 effectively in combat scenarios where suppressive fire is necessary, allowing for quick engagements of targets while managing the heat build-up and potential wear on the firearm.

In contrast, other options portray lower burst counts that do not align with the standard operational procedures for the 240 when fired at a rapid rate. Lower burst ranges might be associated with controlled or sustained fire modes, where maintaining accuracy and preventing overheating become more significant concerns. Thus, understanding the 10-12 round burst capacity helps operators maximize their effectiveness while ensuring the performance of the weapon system is sustained during intense firing periods.