The present invention is a rear sight for a firearm that is usable for both Close Quarters Combat (“CQB”) and standard shooting scenarios. The invention features both a primary targeting aperture and a CQB “notch”, both for use in conjunction with a standard sighting bead for the desired effects. The larger notch allows a greater field of view and raises the weapon slightly in comparison with the regular targeting aperture, thus making its use more efficient for CQB situations.