Vortex

Dueck Defense Red Dot Back Up Sight Base with Vortex Razor Red Dot for GLOCK handguns “I designed the RBU as a simple no gunsmithing sight base to eliminate lost dots when aiming. Just align the fixed iron sights and your red dot is visible. It’s simple and it works.” Vortex Razor Red Dot The high-end Razor red dot is an open-top reflex sight built for top-tier performance and incredible versatility.