Reticle: BDC-C1 F.I.B.R. reticle Lens Coating: Full Multi-Layer Materials: 6061 Aircraft Grade Aluminum Compatibility: Rifles with Picatinny Rails Scope Range: Close to Mid Range, 400+ Yards Magnification: 1-6x Objective Diameter: 20 mm Rail Mount Torque: 20-25 in/lbs Max Windage Adjustment: A 40 MIL Max Elevation Adjustment: A 40 MIL Adjustment Increments: 0.2 MIL Eye Relief: 4.0-4.5 in Weight: 1.8 lbs Length: 11 in Color: Black Fog & Water Resistance? Yes (Nitrogen Sealed) Warranty: Lifetime Warranty Attention: Battery cover is found under the warning sticker.