The Aimpoint H30L makes the perfect addition to a rifle set up on standard and magnum actions. Its standard 30mm main-tube diameter gives the user countless choice of mounting rings. The lenses on the Aimpoint H30L are multi-coated with an anti-reflective coating and features ample light transmission for a crystal clear sight picture, as well as unlimited eye relief. The H30L has a 2 MOA reticle with 12 brightness settings to choose from. Features of the Aimpoint H30L: Suitable for magnum and standard actionsWaterproof 50,000 hours of battery life12 brightness settings Aimpoint Hunter H30L Red Dot Sight 12691