Which aiming device is NOT commonly used for weapon aiming?

The identifying characteristic of the aiming device that is not commonly used for weapon aiming is that it relies on auditory information rather than visual targeting methods. Audio cues provide sound-based feedback that can assist in situations like identification or awareness, but they do not facilitate aiming in the traditional sense.

In contrast, iron sights, optics, and laser sights are all visual aiming devices that enhance the shooter’s ability to align the firearm with the target. Iron sights are fundamental and provide a simple method for aiming with a front and rear sight, while optics offer magnification and clarity for longer distances. Laser sights, on the other hand, project a beam onto the target, allowing for quick aiming without needing to align traditional sights.

Therefore, the absence of visual feedback in audio cues makes them unsuitable for directly aiming a weapon, setting them apart from the other options that explicitly serve to improve accuracy through visual alignment.