The Trijicon ACOG 4×32 TA31-D-100548 is a fixed-power riflescope designed for reliable aiming across bright and low-light conditions. It pairs a 4x magnified ACOG with a Trijicon RMR Type 2 red dot to provide both precision and rapid target acquisition without manual illumination adjustments. The main scope uses fiber optics and tritium to maintain a visible green chevron reticle day or night, and the included TA51 flat-top mount facilitates installation on appropriate platforms. Calibration is specified for .223/5.56 to support ballistic compensation at common intermediate rifle ranges.
Key Specifications
- Magnification: 4x.
- Objective lens diameter: 32mm.
- Reticle: Green Chevron calibrated for .223/5.56.
- Illumination source: Fiber optics and tritium.
- Bullet drop compensation: Yes.
- Includes: Trijicon RMR Type 2 3.25 MOA red dot.
- Mount included: TA51 flat-top mount.
- Overall length: 5.8 inches.
- Weight: 15.1 oz without RMR.
- Eye relief: 1.5 inches.
This ACOG/RMR combination is built for users who need a compact, durable optical solution that covers both deliberate aiming and rapid engagements. Its fixed 4x magnification with a calibrated chevron reticle supports mid-range accuracy while the RMR provides quick, close-range target acquisition. Rugged construction, dual illumination, and an included TA51 mount make it a practical choice for shooters seeking a reliable, all-weather optic package.





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