Which of the following actions is part of both Phase I and Phase II malfunctions?

The correct answer is "Rack" because in both Phase I and Phase II malfunctions, the action of racking the slide is essential for clearing the malfunction.

In Phase I malfunctions, which usually involve failure to fire, racking the slide allows the shooter to chamber a fresh round from the magazine. This is crucial to ensure that the firearm is ready to fire again and to remove any potential blockage or misaligned round that may be preventing the firearm from functioning properly.

In Phase II malfunctions, characterized by situations such as double feeds or cases where two rounds are caught in the action, racking the slide also plays a critical role. After clearing the defective round, racking the slide helps to remove the malfunctioning elements and ensures that a new round is chambered correctly. This action effectively prepares the weapon for a subsequent shot and is a key step in both malfunction scenarios.

The fundamental skills of handling malfunctions in firearms training require a firm understanding of these steps, reinforcing the importance of the racking motion.