The 4x32 ACOG scope provides a dual-illuminated reticle using fiber optics and tritium for a bright aiming point in any light condition. The ranging reticle allows for bullet drop compensation out to 600 meters without any manual adjustments. The TA31-CH-G also includes: 1 Lanyard Assembly for Adjuster Caps (TA71E) - Magnification: 4x - Objective Size: 32mm - Bullet Drop Compensator: Yes - Length: 5.8 - Weight: 9.9 oz. - Illumination Source: Fiber Optics and Tritium - Reticle Pattern: Crosshair - Day Reticle Color: Green - Night Reticle Color: Green - Calibration: .223 - Bindon Aiming Concept: Yes - Eye Relief: 1.5 - Exit Pupil: 8mm - Field of View: 7 Degrees - Field of View @ 100 yards: 36.8' - Adjustment @ 100 yards (clicks/in): 3 clicks/in. - Mount: TA51 - Mount Comes With: TA51 - Housing Material: Forged Aluminum