The Crimson Trace Brushline Pro optics are designed with the experienced hunter in mind and have been purposefully built from the ground up. The line includes options for pistols, muzzleloaders, shotguns, and hunting rifles. All of the reticles have been calibrated for the firearms platform that they will be placed on. The line features aerospace grade 1 and 30mm tubes that are extremely lightweight. The scopes are fully multi-coated and have exceptional light transmission and glass quality. All Crimson Trace scopes are covered under the LIFETIME protection guaranteed warranty and backed by our award-winning customer service team. Product Specifications Magnification: 4-12x Reticle: CT Custom BDC Predator Focal Plane: 2nd Material: aerospace aluminum Eye Relief (in): 3.5 in Objective Lens Diameter: 40 Tube Diameter: 1 in. Click Value: 1/4 MOA Turrets: Capped Illumination: No Light Transmittance (%): 90 Scope Length: 2.3 IN x 2.2 IN x 14.1 IN Product Weight: 15.52oz oz Lens Coating: green multi coated Rear Mounting Length (in): 2.1 Front Mounting Length (in): 2.4 Windage Range: 65 MOA Elevation Range: 65 MOA Side Parallax: 100 Yd Zero Stop: No FOV Maximum: 23.6 ft FOV Minimum: 7.9 ft