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.This one piece tube made of aircraft quality aluminum with a durable, scratch resistant, non reflective matte finish.Adj Size: .25 MOA @ 100 ydsMagnification: 4xObjective: 32mmField Of View: 22.50 ft @ 100 ydsEye Relief: 4"Tube Diameter: 1"Length: 9.80"Weight: 15.40 ozReticle: Illuminated Mil-Dot, Red/GreenParallax Adjustment: 100 ydsExit Pupil Range: 100ydsProofs: Fog/Waterproof/Shock ResistantCoating Type: Anti-ReflectiveOptic Coating: Fully CoatedOptic Coating: Fully Coated