Trijicon ACOG 4x32 RCO Green Chevron Rifle Scope M150
TrijiconThe 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.
Specifications
| Model | ACOG RCO M150 (TA31RCO-M150CP-G) |
|---|---|
| Magnification | 4x |
| Objective Lens Diameter | 32mm |
| Reticle | Green Chevron BDC (M150) |
| Calibration | 5.56mm NATO / .223 Rem |
| Illumination | Dual — Fiber Optic & Tritium |
| Eye Relief | 1.5 inches |
| Field of View | 36.8 feet @ 100 yards |
| Housing Material | Forged 7075-T6 Aluminum |
| Weight | 9.9 oz (with mount) |
| Length | 5.8 inches |
| Waterproof | Yes — submersible to 100 meters |
| Made In | USA |
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.