Which of the following is NOT a selector lever setting for the M16A3/M4A1 service rifle?

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Multiple Choice

Which of the following is NOT a selector lever setting for the M16A3/M4A1 service rifle?

The selector lever on the M16A3/M4A1 is used to choose the firing mode, not to select any manual operation. On these rifles, the lever has Safe, Semi, and Auto (or Burst) positions, which lock the firearm, fire one round per pull, or fire automatically (or in bursts, depending on the variant). There is no “Manual” position on the selector lever, because the weapon’s modes are defined by those responsive settings, while manual cycling of the action is done by other means, not by selecting a mode. So the term that does not fit as a selector setting is Manual.

The selector lever on the M16A3/M4A1 is used to choose the firing mode, not to select any manual operation. On these rifles, the lever has Safe, Semi, and Auto (or Burst) positions, which lock the firearm, fire one round per pull, or fire automatically (or in bursts, depending on the variant). There is no “Manual” position on the selector lever, because the weapon’s modes are defined by those responsive settings, while manual cycling of the action is done by other means, not by selecting a mode. So the term that does not fit as a selector setting is Manual.

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