ACOG 4×32 Scopes with Red Dual Illumination & BAC—M16 / AR15. Features Dual Illumination (Fiber Optic provides daylight illumination and tritium illuminates reticle at night). The reticle ranges out to 800 meters for 5.56(.223 cal). – The TA31 also includes: – 1 Carry Handle Screw and Washer Set (TA30) – 1 4×32 Scopecoat (TA64) – 1 LENSPEN® (TA56) – 1 Lanyard Assembly for Adjuster Caps (TA71E) – 1 Trijicon Logo Sticker (PR15) – 1 ACOG BAC Manual – 1 Warranty Card – Magnification: 4x – Objective Size (mm): 32 – Bullet Drop Compensator: Yes – Length (in): 5.8 – Weight (oz): 9.9 – Illumination Source: Fiber Optics & Tritium – Reticle Pattern: Donut – Day Reticle Color: Red – Night Reticle Color: Center Red – Calibration: 0.223 – Bindon Aiming Concept: Yes – Eye Relief (in): 1.5 – Exit Pupil (mm): 8 – Field of View (Degrees): 7 – Field of View @ 100 yards (ft): 36.8 – Adjustment @ 100 yards (clicks/in): 2 – Mount Comes With: Carry Handle – Housing Material: Forged Aluminum