Trijicon TA31RCO Scope Review: The ACOG Used By The USMC & US Army (HD)

Published on May 3, 2017
Duration: 18:48

This guide details a field technique for managing the Trijicon TA31RCO ACOG's dual illumination system. It explains how to use tape to control reticle brightness in varying light conditions, a method derived from military field manuals. The review highlights the optic's robust construction, dual illumination, and combat-proven design, suitable for tactical applications and clone builds.

Quick Summary

The Trijicon TA31RCO ACOG is a combat-proven optic used by the US military, featuring a 4x magnification, dual illumination (tritium and fiber optic), and a robust 7075-T6 aluminum housing. It includes advanced reticle features like the M150 grid and BDC for ranging and target communication, with a price point reflecting its premium quality and military specifications.

Chapters

  1. 00:28Introduction to TA31RCO Variants
  2. 02:37Eye Relief and Field of View
  3. 03:37External Features and Construction
  4. 04:21Turrets and Waterproofing
  5. 05:06Dual Illumination System
  6. 06:39Killflash and Objective Lens
  7. 07:23Weight and Mounting
  8. 08:02Reticle and M150 Grid
  9. 09:11BDC and Ranging
  10. 10:56ACOG Model Comparisons
  11. 13:32Summary and Value Assessment

Frequently Asked Questions

What makes the Trijicon TA31RCO ACOG suitable for military use?

The TA31RCO is built to rigorous military durability standards, featuring a robust 7075-T6 forged aluminum housing, waterproof construction, and a dual illumination system that adapts to various lighting conditions, making it a reliable combat optic.

How does the dual illumination system on the TA31RCO work?

It combines a tritium vial for passive, low-light illumination and a fiber optic collector for bright daylight conditions. A field craft technique using tape can be employed to dim the fiber optic in intense sunlight to prevent reticle bloom.

What are the key reticle features of the Trijicon TA31RCO ACOG?

The RCO variant features the M150 grid system for target communication and ranging, along with a Bullet Drop Compensator (BDC) calibrated for specific ammunition like 5.56 M855, and ranging stadia based on target width.

What is the typical price range for a Trijicon TA31RCO ACOG?

The Trijicon TA31RCO ACOG is considered a premium optic, with prices often around $1,400-$1,500, reflecting its combat-proven durability, advanced features, and military pedigree.

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