Trijicon ACOG 3.5x35mm Green Horseshoe BDC w/ TA51

The Trijicon ACOG 3.5×35 is a fixed-power riflescope designed for use on flat-top rifles calibrated for .223/5.56. It features an illuminated green Horseshoe reticle with an integrated ballistic drop compensator and a Target Reference System for rapid ranging and holdovers. Daytime illumination is provided by fiber optics and night illumination by tritium, supporting use across a wide range of lighting conditions. The optic is built to withstand environmental challenges and is rated waterproof, fogproof, and shock-resistant.

Key Specifications

• The magnification is 3.5x for a balance of close-quarters speed and mid-range precision.
• The objective diameter is 35mm to optimize light transmission and image clarity.
• The reticle is an Illuminated Green Horseshoe .223/5.56 BDC with a Target Reference System calibrated for .223/5.56 rifles.
• Illumination is provided by fiber optics and tritium for day and night visibility without batteries.
• The optic includes a TA51 flattop mounting adapter for MIL-STD style rails.
• The weight is 14 oz for a compact, lightweight profile on modern rifles.
• The overall length is 8 inches for streamlined mounting and handling.
• The eye relief is 2.4 inches to support consistent head positioning and sight picture.
• The field of view is 28.90 ft @ 100 yds (approximately 5.5 degrees) for situational awareness at speed.
• The adjustment value is 1/3 MOA per click (approximately 3 clicks per inch at 100 yards) for fine zeroing and holdover adjustments.

Compact, rugged, and calibrated for .223/5.56 platforms, this ACOG pairs a proven ballistic reticle with tritium/fiber-optic illumination and a TA51 mount to deliver consistent, low-maintenance performance. Its combination of durable construction, compact profile, and a ballistic compensated Horseshoe reticle makes it well suited for shooters who prioritize fast target acquisition and dependable optical performance in varied lighting and environmental conditions.