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The rapid rate of fire for the M240B is indeed 200 rounds per minute. This is an important characteristic of the M240B, as it is designed to sustain a high volume of fire for short durations while maintaining effective battlefield performance. The classification of different rates of fire for the M240B helps to determine how the weapon can be best utilized in various combat scenarios.

The 200 rounds per minute rapid rate is typically used when the weapon is being fired in a sustained manner but is not expected to be fired for extended periods like the cyclic rate, which provides a higher number of rounds per minute but is not sustainable. The rapid rate of fire allows for a balance between effective firepower and barrel cooling during sustained engagements, which is crucial to avoid overheating and potential malfunction of the weapon. Understanding this aspect of the M240B's functionality is essential for effective operation during combat situations.