Truglo&';s tru-brite xtreme compact tactical scope comes with 1" rings for mounting to your accessory rail.Its fully coated lenses provide maximum brightness, clarity and contrast.The fingertip windage and elevation adjustment are under screw down caps and the durable leaf spring is for windage and elevation adjustments.The one piece tube is made of aircraft quality aluminum with a durable, scratch resistant, non reflective matte finish.This model has a mil-dot reticle.Adj Size: 30" @ 100 ydsMagnification: 4xObjective: 32mmField Of View: 20.79 ft @ 100 ydsEye Relief: 5.50"Tube Diameter: 1"Length: 9.80"Weight: 12.50 ozReticle: Mil-DotParallax Adjustment: 100 ydsExit Pupil Range: 100ydsProofs: Fog/Waterproof/Shock ResistantCoating Type: Waterproof, Fogproof, ShockproofOptic Coating: Fully CoatedOptic Coating: Fully Coated