Trijicon ACOG 4×32 Red Chevron TA31F

The Trijicon ACOG Red Chevron TA31F is a battle proven fixed magnification optic built around a chevron reticle designed to be zeroed using the tip at 100 meters. Its dual illumination system means the reticle glows without batteries, using fiber optics by day and tritium at night. For the shooter who wants a rugged, ranging capable combat optic, the Trijicon ACOG Red Chevron is a legendary choice.

What It Is and Who It Is For

This optic is for the AR shooter who wants a proven 4x combat sight with a reticle that helps with range estimation and holds. The chevron tip serves as your 100 meter zero point, and the reticle is calibrated for 5.56 and .223 flattop rifles out to 800 meters.

The width of the chevron at its base is 5.53 MOA, which subtends 19 inches at 300 meters and allows quick range estimation on silhouette targets. Built by Trijicon, the ACOG has earned its reputation in the hardest conditions on earth.

Key Features of the Trijicon ACOG Red Chevron TA31F

• Chevron reticle zeroed using the tip at 100 meters.
• Dual illumination with fiber optics for day and tritium for night.
• Reticle calibrated for 5.56 and .223 flattop rifles out to 800 meters.
• Base chevron width of 5.53 MOA for range estimation on silhouettes.
• Fixed 4x magnification for a rugged, no battery combat optic.
• Proven ACOG durability trusted in demanding environments.

Specifications Worth Knowing

The chevron reticle is the heart of this optic, and its 5.53 MOA base width equals 19 inches at 300 meters, giving you a built-in tool for range estimation. On the Trijicon ACOG Red Chevron, that same ranging reticle is calibrated for 5.56 and .223 flattop rifles out to 800 meters, so your holds line up with common loads.

Dual illumination is the other signature feature, with fiber optics providing daylight brightness and tritium illuminating the reticle at night. That means a bright, usable aiming point in any light without ever needing a battery.

Practical Use, Care, and Compatibility

Zero the chevron tip at 100 meters, and the calibrated reticle gives you fast holds and range estimation on the fly during dynamic shooting. Keep the lenses clean with a proper optics cloth and let the fiber optic and tritium do their work without any switches to manage.

It mounts on 5.56 and .223 flattop AR platforms for the intended ballistic match. To pair the Trijicon ACOG Red Chevron TA31F with a quality mount and accessories, browse our full optics collection.

A Battle Proven Fighting Optic

Few optics have earned their reputation the way this fixed power fighting scope has, serving in the hardest conditions and coming home trusted. The rugged, sealed housing and fixed magnification mean there is very little to break and nothing to fuss with, so it is ready the instant you shoulder the rifle.

The dual illumination system is a standout, using fiber optics to gather daylight and tritium to glow at night, so the reticle stays visible in any light without a single battery to fail. That reliability is exactly what you want in an optic meant for serious use.

The chevron reticle does double duty as an aiming point and a ranging tool, with its calibrated subtensions helping you estimate distance and hold on silhouette targets. On a flattop 5.56 rifle, it turns your carbine into a fast, capable performer out to meaningful distances.

Zero the chevron tip at 100 meters on a proper flattop 5.56 rifle, then spend some range time learning the reticle subtensions so the ranging holds become instinct. With no batteries to manage and a sealed, rugged build, this fighting optic is ready the instant you shoulder the rifle.

Run a legend with the Trijicon ACOG Red Chevron TA31F and its battery free dual illumination. These optics ship direct where state and local law allows. Ships direct to your door, no FFL required.