Trijicon ACOG and Offset Red Dot Review

Published on June 24, 2016
Duration: 4:26

This review compares the Trijicon ACOG TA31F with an offset Vortex Venom red dot against other optic setups. It details mounting, zeroing procedures, and the Bindon Aiming Concept (BAC). Live fire tests reveal the ACOG/RDS combo is faster than BAC but slower than a variable scope, concluding the ACOG remains a rugged, combat-proven optic despite newer alternatives.

Quick Summary

The Trijicon ACOG TA31F has a short 1.5-inch eye relief and can experience 'bloom' in bright light. Using black electrical tape on the fiber optic tube can help regulate brightness. A 100-yard zero is recommended for the ACOG, while an offset red dot is best zeroed at 25 yards.

Chapters

  1. 00:22ACOG History & Introduction
  2. 01:12Mounting, Eye Relief & Zeroing
  3. 02:06BAC vs. Offset Red Dot Explained
  4. 02:59Live Fire Performance Testing
  5. 03:52Final Thoughts on ACOG

Frequently Asked Questions

What is the Bindon Aiming Concept (BAC) for the Trijicon ACOG?

The Bindon Aiming Concept (BAC) is a shooting technique used with the Trijicon ACOG that allows for both-eyes-open aiming. It utilizes the magnification of the ACOG while keeping both eyes open, which can increase target acquisition speed in certain situations.

How does the Trijicon ACOG with an offset red dot perform in timed drills?

In timed drills, the combination of a Trijicon ACOG with an offset red dot sight proved faster than using the ACOG's Bindon Aiming Concept (BAC) alone. However, it was slower than a variable power scope like the Trijicon AccuPoint TR24.

What are the recommended zero distances for an ACOG and an offset red dot?

For the Trijicon ACOG TA31F, a 100-yard zero is generally recommended. For an offset red dot sight, such as the Vortex Venom tested, a 25-yard zero is suggested as a starting point for optimal performance.

What is a common issue with the Trijicon ACOG's eye relief and how can it be fixed?

The Trijicon ACOG TA31F has a short eye relief of 1.5 inches, which can be problematic. A common fix for the 'bloom' effect of the fiber optic illumination in bright light is to cover part of the fiber optic tube with black electrical tape.

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