Trijicon ACOG 4×32 TA31-D-100548 | RMR 3.25 MOA | .223

The Trijicon ACOG TA31-D-100548 is a fixed-power 4×32 riflescope paired with a Trijicon RMR Type 2 red-dot sight. The main ACOG provides a green chevron reticle that is dual-illuminated with fiber optics and tritium and is calibrated for .223/5.56. The combination of a magnified aiming system and the RMR’s quick-acquisition dot makes this package suitable for medium-range precision and close-quarters target acquisition.

Product Specifications

• The magnification is 4X.
• The objective diameter is 32mm.
• The reticle pattern is a Green Chevron (.223).
• The illumination source is fiber optics and tritium.
• The included red dot is a Trijicon RMR Type 2 with a 3.25 MOA dot.
• The scope is calibrated for .223/5.56.
• The overall length is 5.8 inches.
• The weight is 15.1 oz without RMR.
• The eye relief is approximately 1.5 inches.
• The exit pupil measures 8 mm.
• The field of view is 7 degrees (approximately 36.8 ft @ 100 yds).
• The adjustment is 2 clicks per inch at 100 yards and features 1/2 MOA fine adjustment specification.
• The mount included is a TA51 Flattop mount.
• The housing material is forged aluminum.
• The UPC is 719307311763.

This ACOG/RMR package offers a durable, low-maintenance aiming solution for users who need a reliable optical sight for deliberate shots at medium range while retaining an immediate, no-second-guess aiming option for closer work. Built around proven illumination and a calibrated BDC reticle, it is suited to precision target work and fast target transitions where consistent sighting and robust construction are priorities.