Meprolight Fiber LED Bullseye HK 45, P30, VP9, SFP9 Green Pistol Sight Set 82100051. Upgrade your pistol with Meprolight’s FL Bullseye Sight. The FL Bullseye Sight delivers a fast and instinctive aiming solution for pistols, and removes the need for traditional front/rear sights (which also removes a snag-hazard). The aiming point is composed of a ring and a center dot, to use the FL Bullseye, align the dot in the center of the ring, when the dot is centered in the ring the weapon is on target. The FL Bullseye sight is illuminated by a system of fiber optics and an integrated battery, to enable optimal brightness during day, low light and at night. The sight also utilizes a light sensor that automatically adjusts to changing light conditions providing the shooter with a bright point of aim at all times. In addition, the FL Bullseye sight offers an interchangeable battery with five years of life, and is compliant with European and US nohazardous material standard. Features of the FL Bullseye Sight. Fast, instinctive aiming solution. Replaces iron sights, installs in dovetail. Illuminated via fiber optics and battery-powered LED. This item may be regulated for export by the U. Department of State or US Department of Commerce.