Sport Dot Sights Features O-ring sealed to keep out the weather Tough and durable 3 position brightness control Inc. 9-11mm & Weaver mounts Hawke 1yr Warranty HK3190 SportRed Dot Offering excellent features, at an amazing price. The newly designed 30mm Sport Dot from Hawke Optics, weighs only 139 grams including the mount. The Sport Dot features a three position brightness control and easy finger adjustable windage and elevation turrets. Supplied with both 9-11mm and weaver mounts. Red Dot Reticle: All red dots can be adjusted for brightness. Either 4 or 5 MOA depending on model. Model - Sport Dot 9-11 & Weaver Dot Size - 4 M.O.A. Ring Mounts - 30mm Length - 4.33inches Weight - 4.9oz. Resources: Image(s): Hawke Sport Optics