Trijicon ACOG 4x32 .223 Red Chevron Scope with RMR

Trijicon
MPN:
TA31-D-100549
UPC:
719307311770
$1,912.69
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The Trijicon ACOG 4x32 with RMR is a battle-tested, dual-illuminated rifle scope engineered for .223/5.56 NATO platforms, delivering the perfect fusion of precision long-range marksmanship and rapid close-quarters capability in a single, rugged optic.

  • Fixed 4x magnification with a 32mm objective lens for a clear, wide field of view
  • Tritium/fiber optic illuminated reticle works in bright light and complete darkness
  • Bullet drop compensated (BDC) reticle calibrated for .223 Rem / 5.56mm ammunition
  • Integrated Trijicon RMR red dot for seamless transition to close-quarters engagements
  • Aircraft-grade aluminum alloy housing rated for extreme weather and hard use
  • Both-eyes-open design maintains situational awareness without sacrificing precision

Who This Is For

The Trijicon ACOG 4x32 with RMR is the go-to optic for AR-15 and M4-platform owners who demand a combat-proven, no-batteries-required sighting system. It's ideal for competitive shooters, duty professionals, and serious home-defense or range shooters who want a single optic that excels from 0 to 600 meters — with the added flexibility of a co-mounted RMR red dot for fast, up-close target acquisition.

Trijicon ACOG 4x32 Red CV 223 with RMR — full optic side profile view Trijicon ACOG 4x32 with RMR — reticle and top-mount detail view

Specifications

BrandTrijicon
ModelACOG 4x32 with RMR
Magnification4x (Fixed)
Objective Lens Diameter32mm
ReticleRed Chevron BDC (.223 / 5.56mm)
IlluminationDual — Tritium & Fiber Optic (no batteries required)
Co-Mount OpticTrijicon RMR Red Dot
Eye Relief1.5 inches
Field of View36.8 ft @ 100 yards
Housing MaterialForged 7075-T6 Aluminum Alloy
Caliber Compatibility.223 Rem / 5.56mm NATO
Length5.8 inches
WeightApprox. 14.9 oz (with mount)
Made inUSA

Frequently Asked Questions

Does the ACOG 4x32 require batteries to illuminate the reticle?

No — the Trijicon ACOG uses a passive dual-illumination system that combines a tritium phosphor lamp (for low-light and nighttime use) with a fiber optic light pipe (for bright ambient conditions). This means the reticle is always illuminated without any batteries, switches, or electronics to fail in the field.

Is this ACOG compatible with my AR-15 or M4 carbine?

Yes. This ACOG is specifically calibrated for .223 Remington and 5.56mm NATO ammunition, making it an ideal match for AR-15, M4, and other 5.56-platform rifles. The scope typically mounts via a flat-top Picatinny rail (MIL-STD-1913) and is also compatible with carry-handle mounts when used with the appropriate adapter.

What is the RMR on top of the ACOG used for, and can it be removed?

The co-mounted Trijicon RMR (Ruggedized Miniature Reflex) sight sits on top of the ACOG housing and is designed for fast, both-eyes-open target acquisition at close quarters — typically inside 50 yards where the 4x magnification of the ACOG can feel limiting. The RMR is mounted to the ACOG's integrated top rail and can generally be removed if you prefer a clean setup, though many users keep it in place for the added tactical versatility it provides.