The Trijicon ACOG 100163 offers a rugged Black matte finish and hardcoat anodized construction, delivering dependable performance in harsh environments with a 3.5x magnification and a 35mm objective that keeps a wide field of view while maintaining precise target acquisition. This rifle scope features a 30mm mount and comes with the TA51 mount, providing fast, repeatable zeroing and solid battlefield reliability, ideal for dynamic shooting scenarios. Dual illumination supports a bright green crosshair reticle calibrated for .223/5.56, combining a robust BDC reticle with a Green Crosshair for rapid, illuminate-dominant aiming in schooling light conditions, low light, or dawn patrol setups. The design integrates a 33-40mm objective range and a versatile 3.5x power that excels from close quarters to medium-range engagements, making it well-suited for law enforcement, hunting, and precision rifle configurations where quick target recognition and durable zero retention matter most. Built for repeatable, long-term performance, this ACOG delivers steadiness under recoil, reliable zero retention, and a compact silhouette that complements a variety of rifle setups while keeping sight alignment intuitive for superior accuracy in field conditions.