ACOG 3.5×35 scope with Amber Crosshair Reticle-the ranging reticle is 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. – The TA11J308-A also includes: – 1 Flattop Adapter for Military Style Rail (TA51) – 1 3.5×35 Scopecoat (TA63) – 1 LENSPEN® (TA56) – 1 Lanyard Assembly for Adjuster Caps (TA71E) – 1 Trijicon Logo Sticker (PR15) – 1 ACOG BAC Manual – 1 Warranty Card – Magnification: 3.5x – Objective Size (mm): 35 – Bullet Drop Compensator: Yes – Length (in): 8 – Weight (oz): 14.0 w/out mount – Illumination Source: Fiber Optics & Tritium – Reticle Pattern: Crosshair – Day Reticle Color: Amber – Night Reticle Color: Amber – Calibration: 0.308 – Bindon Aiming Concept: No – Eye Relief (in): 2.4 – Exit Pupil (mm): 10 – Field of View (Degrees): 5.5 – Field of View @ 100 yards (ft): 28.9 – Adjustment @ 100 yards (clicks/in): 3 – Mount: TA51 – Mount Comes With: TA51 – Housing Material: Forged Aluminum