Abstract: A gun-aiming device includes a base mount for attaching to a gun barrel having first and second orthogonally arranged passages, a sighting element having a stem portion with an annular groove and a head portion attached to one end of the stem portion with the stem portion removably mounted in the first passage of the base mount such that the head portion extends above the base mount for use in aiming the gun, and a yieldable biasing arrangement disposed in the second passage of the base mount for releasably engaging the annular groove of the stem portion of the sighting element at any location about the stem portion so as to provide a quick release snap-fit type of latching of the stem portion of the sighting element in the first passage of the base mount. A plurality of sighting elements being interchangeable with one another are provided. The sighting elements have respective head portions of different sizes and colors for respectively adapting the gun-aiming device to different distances and backgrounds.