Trijicon ACOG 4x32 RCO Green Chevron Rifle Scope M150

Trijicon
MPN:
TA31RCO-M150CP-G
UPC:
719307303423
$1,472.69
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The Trijicon ACOG RCO 4x32 Green Chevron M150 is the battle-tested optic trusted by the U.S. Marine Corps, delivering unmatched optical clarity and dual-illumination reliability in a rugged, combat-ready package.

  • 4x magnification with a 32mm objective lens for precise mid-range targeting
  • Green illuminated chevron reticle optimized for low-light and CQB engagements
  • Dual-illumination system uses fiber optics and tritium — no batteries needed
  • Bullet drop compensated (BDC) M150 reticle calibrated for 5.56mm NATO ammunition
  • Aircraft-grade aluminum alloy housing is waterproof, fogproof, and shockproof
  • Both-eyes-open design maintains situational awareness at any engagement distance

Who This Is For

The Trijicon ACOG RCO 4x32 M150 is purpose-built for serious AR-15 and M16/M4 platform shooters who demand combat-proven performance — whether you're a competitive shooter, a veteran recreating a military-grade setup, or a home defender who refuses to compromise on optic quality. Its zero-battery illumination and BDC reticle make it equally at home on the range and in the field.

Trijicon ACOG RCO 4x32 Green Chevron M150 riflescope front view Trijicon ACOG RCO 4x32 M150 side profile showing reticle and housing detail

Specifications

ModelACOG RCO M150 (TA31RCO-M150CP-G)
Magnification4x
Objective Lens Diameter32mm
ReticleGreen Chevron BDC (M150)
Calibration5.56mm NATO / .223 Rem
IlluminationDual — Fiber Optic & Tritium
Eye Relief1.5 inches
Field of View36.8 feet @ 100 yards
Housing MaterialForged 7075-T6 Aluminum
Weight9.9 oz (with mount)
Length5.8 inches
WaterproofYes — submersible to 100 meters
Made InUSA

Frequently Asked Questions

What firearms is the Trijicon ACOG RCO M150 compatible with?

The ACOG RCO M150 is specifically designed for the M16/M4 platform and AR-15 pattern rifles chambered in 5.56mm NATO or .223 Remington. Its BDC reticle is calibrated for the ballistics of these cartridges. It mounts via a standard Picatinny/MIL-STD-1913 rail and comes with the appropriate mounting hardware for flat-top receivers.

Does the ACOG RCO require batteries to illuminate the reticle?

No — one of the ACOG's most celebrated features is its battery-free dual-illumination system. A fiber optic cable on top of the scope automatically adjusts reticle brightness based on ambient light during the day, while a tritium phosphor lamp ensures a visible reticle in complete darkness. This means the optic is always ready with zero battery dependency.

What is the difference between the chevron reticle and a standard crosshair, and why does it matter?

The green illuminated chevron reticle of the M150 is engineered for fast, intuitive target acquisition — the tip of the chevron serves as your precise aiming point at 100 yards, while the BDC stadia lines below compensate for bullet drop out to 800 meters. Unlike a traditional crosshair, the open chevron design doesn't obscure your target, making it faster for both CQB and longer-range precision shooting.