Scope includes reversible, offset, monolithic 30mm scope mount CNC-machined from aircraft-grade aluminum. Scope includes two pre-calibrated BDC turrets in calibers .223 (55 grain) and .308 (168 grain) to engage targets up to 600 yards away. Glass-etched reticle can be used in black without illumination . Generous 4 in. eye relief. DUAL COLOR illuminated reticle.