ACOG 4×32 Scope with Red Horseshoe BAC Reticle- includes Flattop Adapter. Features dual illumination (Fiber optics provides daylight illumination and tritium illuminates reticle at night). The ranging reticle is calibrated for 5.56(.223 cal) flattop rifles out to 800 meters. The TA31H also includes: 1 Flattop Mount (TA51) 1 4×32 Scopecoat (TA64) 1 LENSPEN® (TA56) 1 Lanyard Assembly for Adjuster Caps (TA71E) 1 Trijicon Logo Sticker (PR15) 1 ACOG Manual 1 Warranty Card – Magnification: 4x – Objective Size (mm): 32 – Bullet Drop Compensator: Yes – Length: 5.8 – Weight: 9.9 oz w/out mount – Illumination Source: Fiber Optics & Tritium – Reticle Pattern: Horseshoe w/ Target Reference System – Day Reticle Color: Red – Night Reticle Color: Red – Calibration: 0.223 – Bindon Aiming Concept: Yes – Eye Relief: 1.5 – Exit Pupil: 8mm – Field of View (Degrees): 7 – Field of View @ 100 yards: 36.8′ – Adjustment @ 100 yards (clicks/in): 2 – Mount: TA51 – Mount Comes With: TA51 – Housing Material: Forged Aluminum