Trijicon TA31RCO-M150CP-G ACOG 4x32 Rifle Scope

Perfect optic for an M4A1 build, green version of those used by the US Army in early GWOT

The ACOG 4X32 scope represents a perfect balance of durability and precision. Built to military specifications with a distinctive green reticle, this optic delivers superior performance for both tactical applications and recreational shooting. While featuring an alternative reticle color to the US Army version, it maintains identical construction quality and operational specifications.

Core Features

• Superior Quality Glass Lenses: Multi-coated lenses deliver exceptional clarity and light transmission with zero distortion
• Military-Grade Construction: Forged 7075-T6 aircraft aluminum housing provides exceptional durability
• Fixed Magnification: Enhanced reliability through simplified design with no variable components
• Exceptional Water Resistance: Waterproof to 100 meters, nitrogen-filled to prevent internal fogging
• Combat-Ready Design: Supports both-eyes-open shooting using the Bindon Aiming Concept

MrGunsnGear reviews the RCO.

The ACOG 4X32 represents the pinnacle of fixed-power optic design. Featuring an advanced dual-illumination system that combines fiber optics with self-luminous tritium, this scope eliminates battery dependence while ensuring consistent reticle illumination across all lighting conditions. The distinctive green chevron reticle provides excellent contrast and rapid target acquisition.

Built for reliability in demanding conditions, this optic features a rugged 7075-T6 aircraft aluminum housing that provides exceptional durability while maintaining precision. The integrated Bullet Drop Compensator is specifically calibrated for the 5.56mm round, enabling accurate engagement out to 800 meters. The scope's design emphasizes simplicity and effectiveness, allowing for quick target acquisition and enhanced hit probability.

The advanced optical system includes multi-coated lenses that maximize light transmission and clarity. External adjusters allow for tool-free windage and elevation adjustments while maintaining waterproof integrity. The housing includes integrated mounting bosses near the eyepiece for optional Trijicon RMR attachment, enhancing versatility for close-quarter engagements.

Frequently Asked Questions

• Q: What makes this model different from the standard military issue ACOG?
  • A: The only difference is the green reticle color instead of red. All other specifications and construction standards remain identical to the military version.
• Q: Does this optic require batteries?
  • A: No, it uses a dual-illumination system combining fiber optics and tritium, eliminating the need for batteries while providing consistent illumination in all lighting conditions.
• Q: How durable is the scope's construction?
  • A: The scope features a 7075-T6 aircraft aluminum housing and exceeds military waterproofing standards, providing exceptional durability for demanding conditions.
• Q: Can this scope be used in both daylight and darkness?
  • A: Yes, the fiber optics automatically adjust reticle brightness in daylight, while tritium provides illumination in low-light conditions.
• Q: What tools are required for mounting and adjustment?
  • A: The scope features tool-free external adjusters for windage and elevation. The mounting system is designed for straightforward installation without specialized tools.
• Q: Does it include an Anti-Reflection Device?
  • A: Yes, the scope comes with a combat-ready killFlash ARD, along with protective scope caps.

Technical Specifications

Included Accessories

• TA51 Thumbscrew Flattop Adapter
• TA91 killFlash Anti-Reflection Device
• Objective & Eyepiece Flip Cap Set
• LENSPEN (TA56)
• Lanyard Assembly for Adjuster Caps (TA71E)
• Trijicon Logo Sticker (PR15)
• RCO Manual
• Warranty Card

Manufacturer's Part Number: TA31RCO-M150CP-G