UP100&reg; Hunting Optics 1x22x33 Compact Reflex Red Green Dot Sight Riflescope 4 Reticle Sight with Weaver 11mm Constructed by aluminum alloy with anodized matte black processing. Anti-glare reflective coated lenses that gives good optical clarity. Offers 4 different reticles(Circle Dot, Cross, 10 MOA & 3 MOA) for optimum versatility. With integrated mount for most 11 mm Weaver/Picatinny/RIS rail. With a scree size of 22mm x 33mm.