The Trijicon 100156 ACOG Black Hardcoat Anodized 3.5x35mm Illuminated Green Horseshoe .223/5.56 BDC Reticle rifle scope combines rugged reliability with precise aiming for high-pressure environments, delivering a 3.5x magnification over a 35mm objective and a matte black finish that stands up to the elements while remaining unobtrusive on the firearm. This illuminated Green Horseshoe BDC reticle is calibrated for .223/5.56 chambers, enabling rapid target acquisition and holdover accuracy across common field ranges, and the scopes hardcoat anodized construction reinforces durability in demanding conditions. The ACOG design integrates a compact, fixed-power optical system renowned for battlefield-worthiness, providing dependable performance in low-light scenarios thanks to its illuminated reticle and optimized eye relief. Included with the scope is the TA51 mount, offering a solid link to the rifle platform that ensures repeatable zero and robust performance under recoil. Whether engaging targets at intermediate ranges or improving precision in dynamic shooting disciplines, this Trijicon ACOG model delivers decisive sighting feedback, fast target locking, and enduring ruggedness in a proven, professional-grade package.