TRUGLO TRU-BRITE 30 Series 3-9 X 24mm Dual-Color Illuminated-Reticle Rifle Scope with Mount Bright, 3-9 x 42mm objective lens with rheostat controlled brightness; INCLUDED QUICK ZOOM LEVER; Generous 4-inch eye relief DUAL-COLOR ILLUMINATED RETICLE (red & green); Glass-etched reticle can be used without illumination (black) ONE-PIECE AIRCRAFT-GRADE ALUMINUM TUBE; water & shock resistant; fog-proof; LIMITED LIFETIME WARRANTY INCLUDES REVERSIBLE, OFFSET, MONOLITHIC 30MM SCOPE MOUNT made of CNC-machined aircraft grade aluminum; Includes 2 precalibrated BDC turrets in calibers .223 (55 grain) and .308 (168 grain) to engage targets up to 600 yards away MIL-DOT RETICLE enables user to determine the distance of objects of a known size and provides quick trajectory and wind drift aiming references (calibrated at 8x magnification)