Description The Crimson Trace Brushline 3-9x40mm scope with the BDC Rimfire reticle has been optimized for the small-game hunter. This scope boasts a 1" tube made of aerospace-grade aluminum, making it lightweight yet durable. It has passed extensive environmental testing and is nitrogen-purged, waterproof, shockproof. It boasts MOC-coated ELD glass, and the aggressive knurling on the magnification ring and turret ensures effortless adjustments. All Crimson Trace scopes are covered under a Lifetime Warranty and is backed by our award-winning customer service team.Specifications:Magnification: 3-9xReticle: CT Custom BDC RimfireFocal Plane: 2ndMaterial: aerospace aluminumEye Relief (in): 3.5 inObjective Lens Diameter: 40Tube Diameter: 1 in.Click Value: 1/2 MOATurrets: CappedIllumination: NoScope Length: 2.3 IN x 2.3 IN x 12.3 INProduct Weight: 14.1 oz ozLens Coating: green multi coatedRear Mounting Length (in): 2Front Mounting Length (in): 2Windage Range: 95 MOAElevation Range: 95 MOASide Parallax: 50 ydZero Stop: NoFOV Maximum: 33.9 ftFOV Minimum: 11.3 ft