ACOG 4x32 Scope with .308 Full Line Red Illumination Features black crosshairs during daytime and tritium illuminates reticle at night. The reticle ranges out to 800 Meters for 7.62(.308 cal).Specifications: Magnification: 4X Eye Relief: 1.5 in Exit Pupil: 8 mm Field of View: 7.0 degrees Length: 5.8 in Weight: 9.9 oz Field of View: 36.8 ft at 100 yds Adjustment: 3 clicks per inch at 100 yds. Tritium Activity: 100 milliCuries in one source