This is a Trijicon Red Dot known as the MRO HD, model MRO-C-2200051.
For decades" Trijicon Optics have earned the trust of military" law enforcement" hunters and shooting enthusiasts. Every optic is built with legendary toughness" precise adjustability and outstanding" high-quality glass that gives the user the accuracy they need to get the job done with confidence.
Features:
Edge to Edge Clarity
Ultra Durable
Purpose Driven Design