The Trijicon ACOG 4×32 (MPN TA31-CH) pairs a dual-illuminated Red Crosshair reticle, calibrated for .223 Rem/5.56 NATO, with Trijicon’s proven battery-free fiber-optic-and-tritium illumination.

Key Specifications

• 4x fixed magnification. The classic ACOG combat power setting.
• 32mm objective lens. A bright, proven ACOG objective size.
• Dual-illuminated Red Crosshair reticle. Calibrated for .223 Rem/5.56 NATO.
• Battery-free illumination. Fiber optics for daylight, tritium for low light.
• 1.50 inches of eye relief. Standard for the 4×32 ACOG line.
• 2 clicks per inch at 100 yards. The ACOG’s traditional adjustment system.
• Multi-coated lenses. Improves light transmission and clarity.
• Approximately 8.8 inches overall. The classic 4×32 ACOG length.
• .223 Rem/5.56 NATO ballistic calibration. Matched to the reticle’s crosshair holdovers.
• Part of Trijicon’s combat-proven ACOG line. The most combat-used magnified optic in history.

Frequently Asked Questions

What reticle pattern does this ACOG use?

It uses a dual-illuminated Red Crosshair reticle, calibrated for .223 Rem/5.56 NATO.

How does this differ from the Chevron version?

It uses a Crosshair reticle pattern rather than a Chevron, while both are dual-illuminated and calibrated for .223 Rem/5.56 NATO.

Buy the Trijicon ACOG 4×32 Riflescope – Red Crosshair

Get a combat-proven, battery-free 4×32 ACOG with the Trijicon ACOG 4×32 Red Crosshair. Shop the full Trijicon lineup or browse more Gun Scopes in our Gun Scopes category at Schaefer Defense.