Speed and accuracy have therefore been enhanced, wheter at the range or in close quarter combat situations. A beefy outer diameter of 34mm will withstand the most extreme conditions, while an integrated tri-rail system will accpt all of your accessories. Completely waterproof, this model features a dual illuminated Mil-Dot reticle and an illuminated level bubble for low light shooting. The base of this optic is reversible and will fit both the Weaver/Picatinny and .22 rails, while the field of view is especially wide for fast moving targets.