Final answer:
The max effective rate of fire for the M16/A2 Rifle is approximately 800 rounds per minute (rpm).
Step-by-step explanation:
The M16/A2 Rifle has a maximum effective rate of fire of approximately 800 rounds per minute (rpm). This means that the rifle can fire up to 800 rounds in one minute. However, it is important to note that the actual rate of fire may vary depending on factors such as the skill of the shooter and the condition of the rifle.