Trijicon ACOG 4×32 BAC Riflescope, Red Chevron Reticle

Description

Trijicon ACOG 4×32 Features and Performance

The Trijicon ACOG 4×32 BAC Riflescope with Red Chevron Reticle is built for shooters who want a proven fixed-power combat optic with fast target acquisition and dependable durability. This TA31F configuration uses a red chevron reticle calibrated for .223/5.56 and combines magnified precision with Bindon Aiming Concept performance for close and intermediate distances.

Its fixed 4x magnification and 32 mm objective give the optic a clear, capable sight picture for practical rifle use, while the red chevron BDC reticle is designed to help with holds out to extended distance on 5.56 platforms. Dual illumination from fiber optics and tritium helps keep the reticle visible in changing light without relying on batteries, which is one of the reasons the ACOG line remains so widely trusted.

Built from rugged 7075-T6 aluminum, this optic is designed for hard use on flattop rifles and carbines. The compact housing keeps weight manageable while still delivering strong optical performance, and the included mount makes it a practical option for shooters who want a ready-to-install setup. The BAC system also helps support rapid engagement by allowing a more natural both-eyes-open shooting approach.

Many shooters choose this model because it combines fixed 4x magnification, a widely recognized chevron reticle, and battery-free dual illumination in one compact optic. The Trijicon ACOG 4×32 is a strong fit for rifle owners who want a durable optic for training, defensive use, and general-purpose 5.56 shooting.

Browse our Trijicon optics selection and shop more riflescopes on our site.

For manufacturer information, see Trijicon’s official product page.

Details

• Model: TA31F
• Manufacturer Part Number: 100215
• Magnification: 4x
• Objective Lens Diameter: 32 mm
• Reticle: Red Chevron .223/5.56 BDC
• Illumination Type: Fiber Optics / Tritium
• Aiming Concept: BAC
• Color: Black
• Material: 7075-T6 Aluminum
• Eye Relief: 1.5 in
• Field of View: 36.8 ft at 100 yds
• Exit Pupil: 8.1 mm
• Adjustment Size: 1/2 MOA
• Length: 5.8 in
• Weight: 15.1 oz
• Mount: Flattop / Picatinny Mount Included