The Trijicon ACOG 3.5x35 scope with Green Crosshair Reticle is the ranging reticle of your dreams. Calibrated for 7.62mm (.308 cal) flat-top rifles to 1200 meters. Includes Flat Top Adapter. Daytime illumination is provided by fiber optics and Tritium illuminates the scopes at night. Includes flattop adapter for military-style rail, scopecoat, Lenspen, sticker, manual, and warranty card.