The Trijicon ACOG TA31F is a fixed-power riflescope offering 4x magnification and a 32 mm objective, featuring an illuminated red chevron BDC reticle calibrated for .223/.556 platforms. Illumination is provided by fiber optics for daylight and tritium for low-light conditions, and the optic ships with a TA51 flattop mount. The scope combines multi-coated optics and a forged-aluminum housing with waterproof, fogproof, and shockproof construction.
Key Specifications
- The magnification is 4x.
- The objective lens measures 32 mm.
- The reticle is an illuminated red chevron BDC calibrated for .223/.556.
- Reticle illumination sources are fiber optics and tritium.
- The package includes a TA51 flattop mount.
- The field of view at 100 yards is 36.8 ft.
- The eye relief is 1.5 inches.
- The overall length is 5.8 inches.
- The adjustment click value is 1/2 MOA (2 clicks per inch @ 100 yds).
- The housing is forged aluminum with a matte black finish.
Durable, compact, and designed for practical use on .223/5.56 flattop rifles, the TA31F ACOG pairs a simple, fast chevron aiming point with ballistic drop compensation for extended-range reference. Its dual illumination system and rugged construction make it a practical optic where dependable, daylight-to-dark performance and low-maintenance reliability are priorities.
This description was generated with AI and may contain errors. Verify specifications and legal restrictions with the manufacturer before purchase. Provided “as-is” without warranties or guarantees.




