Which sequence correctly describes the immediate action drill for the M4?

Which sequence correctly describes the immediate action drill for the M4?

• A. Slaps magazine to seat; 2. Pulls charging handle to rear; 3. Observes for ejection; 4. Releases charging handle; 5. Taps forward assist; 6. Squeezes trigger
• B. Slaps magazine; 2. Racks charging handle; 3. Observes for ejection; 4. Releases; 5. Taps forward assist; 6. Squeezes trigger
• C. Slaps gently upward on the magazine to ensure it is fully seated, and the magazine follower is not jammed. 2. Pulls the charging handle fully to the rear. 3. Observes for the ejection of a live round or expended cartridge. (If the weapon fails to eject a cartridge, perform remedial action.) 4. Releases the charging handle (do not ride it forward). 5. Taps the forward assist assembly to ensure bolt closure. 6. Squeezes the trigger and tries to fire the rifle.
• D. Slaps forward on the magazine; 2. Rips the charging handle; 3. Looks for a jam; 4. Shoots again; 5. Drops the magazine; 6. Re-chambers a round

Answer: (C)