Pinty 5 MOA 1x22mm Tactical Reflex Red Green Dot Sight Scope with Windage Elevation Adjustment Fits standard 20mm picatinny or weaver rails. Red or green dual illuminated dot reticles with 5 level brightness control. Multi-coated lens, water proof & fog proof, works great in all weather conditions. Precision windage and elevation adjustments, features high/low profile quick release mount. Solid metal construction, durable and shock proof. Precision windage and elevation adjustments Dot color: Red 5 levels brightness/ Green 5 levels brightness Reticle Type: 5 MOA Magnification: 1x Objective Aperture: 22 mm Field of View: 50 degrees Eye Relief: Unlimited Dimensions: 2.55&#034; x 1.57&#034; x 1.77&#034; Weight: 4.15oz/ 117g Compatibility: This part can be only used with bolt-action Rifles 20mm rail