Tactical Red Green Dot Sight Multi-Reticle 4 Reticle Reflex Rifle Scope 1X22X33 New 20mm Weaver Standard Rail Anti-glare reflective coated lenses that gives good optical clarity. Offers 4 different reticles(Circle Dot, Cross, 10 MOA & 3 MOA) for optimum versatility. Fully adjustable windage and elevation. With integrated mount for most 20mm Weaver/Picatinny/RIS rail. Tubeless design with 33mm reflex lens aperture provides a wide field of view, suitable for rapid-firing or shooting of moving targets besides normal shooting.