Overview
The Trijicon ACOG 100091 (TA01NSN) is a fixed 4x magnification by 32mm objective lens tactical optic, engineered for demanding operational environments. This ACOG integrates an illuminated amber crosshair .223 reticle, precision-calibrated to the 5.56mm cartridge, providing clear and accurate aiming points.
Key Features
Optical Performance & Illumination
- Magnification: Fixed 4x provides consistent target acquisition and engagement capability.
- Objective Lens: 32mm aperture optimizes light transmission for clarity.
- Reticle System: Illuminated amber crosshair .223 reticle with bullet drop compensation (BDC) out to 600 meters, eliminating the need for manual adjustments across varying distances.
- Passive Illumination: Utilizes a combination of tritium and fiber optics for battery-free reticle visibility. The reticle appears black in daylight conditions and automatically glows amber in low light or complete darkness, ensuring continuous functionality.
Construction & Durability
- Material: Constructed from a robust forged aluminum housing to withstand harsh field conditions.
- Finish: Features a durable black hardcoat anodized finish, providing enhanced corrosion resistance and surface hardness.
- Integrated Sights: Includes integrated backup iron sights, offering a redundant aiming solution for immediate readiness.
- Reliability: Designed for consistent performance and field-proven reliability, making it suitable for rigorous applications.
Operational Utility
The Trijicon ACOG 100091 is purpose-built for scenarios demanding a durable and intuitive aiming solution. Its robust design and ballistic-calibrated reticle support precision rifle applications, function as primary tactical optics for carbines, and serve as reliable equipment for responsible personal defense and hunting applications with appropriate ammunition.
Technical Specifications
- Model: Trijicon ACOG 100091 (TA01NSN)
- Magnification: 4x Fixed
- Objective Lens Diameter: 32mm
- Reticle Type: Illuminated Amber Crosshair .223 Ballistic Reticle (calibrated for 5.56mm)
- Illumination Source: Tritium / Fiber Optics (Passive, Battery-Free)
- Housing Material: Forged Aluminum
- Finish: Black Hardcoat Anodized
- Bullet Drop Compensation: Calibrated to 600 meters
- Backup Sights: Integrated Iron Sights









