Viridian R5-G43 Reactor 5 Green laser sight for Glock 43 featuring ECR Includes Hybrid Belt Holster. It's the ultimate targeting system for your Glock 43! You get the all-conditions visible Viridian Green laser sighting system, Instant-On Enhanced Combat Readiness activation, and an ECR enabled hybrid holster. No fumbling with buttons in critical situations. When you draw, it's on. By Viridian.