Blue burst lights will fit on all HHA sights excluding the 3000 series. The enclosed mounting bracket mounts to the sight such that the light only shines down on the fiber optic wrap and not inside the sight housing. A rheostat controls the brightness of the light for shooting in any light conditions. Fits all HHA Sights excluding the 3000 series Shoot in any light conditions Light only shines down on the fiber optic wrap Rheostat controls the brightness Great Sight Accessory