Red dot sights have become ... but the Trijicon RMR Dual Illuminated Reflex Sight does not rely on either. The green or amber dot is powered by fiber optics that naturally adjusts for brightness ...

Red dots come in a few different configurations and are surprisingly inexpensive to add to your preferred weapon. There are tubes and open optics ... 512 and Vortex AMG UH-1. Red dot sights ...