Haley Strategic TH1RTE3N handgun sights

Published on May 5, 2017
Duration: 8:17

This guide details how to optimize handgun sight picture under stress, drawing from Travis Haley's expertise. It explains the physiological effects of stress on vision and how the TH1RTE3N sights are designed to mitigate these issues through simplified geometry and specific sight dimensions. The guide emphasizes improving hit probability by understanding sight alignment, binocular vision, and the factors affecting POA/POI. Instruction from a high-authority speaker with deep knowledge of ocular physiology and marksmanship principles is provided.

Quick Summary

Haley Strategic's TH1RTE3N handgun sights are engineered to enhance sight picture under stress by simplifying visual input and accounting for the 'body alarm response,' which hinders near-focus. Key features include a deep rear notch and specific dimensions (0.125" front/rear notch width) that optimize binocular vision and speed up target acquisition, making them ideal for high-pressure situations.

Chapters

  1. 00:00Introduction to TH1RTE3N Sights
  2. 00:38Stress Sight Picture and Physiology
  3. 01:56Design Philosophy
  4. 03:44Visual Processing and Saccades
  5. 04:44Precision Sight Picture
  6. 05:57Technical Specifications
  7. 06:36Point of Aim vs. Point of Impact

Frequently Asked Questions

How do TH1RTE3N sights improve sight picture under stress?

TH1RTE3N sights simplify the visual field, reducing distractions. Their design, including a deep rear notch and specific sight dimensions (0.125" front/rear notch width), helps overcome the eye's natural tendency to focus at distance under stress, enabling faster sight acquisition.

What is the 'body alarm response' and how does it affect handgun aiming?

The 'body alarm response' is a physiological reaction to stress where the eye's lens expands for distance focus. This makes it difficult to focus on the near front sight, complicating traditional sight alignment techniques. TH1RTE3N sights are designed to mitigate this effect.

What are the key technical specifications of the TH1RTE3N sights?

The TH1RTE3N sights feature a 0.125-inch front sight width and a 0.125-inch rear notch width. The rear notch is intentionally deep to provide increased daylight around the front post, optimizing alignment.

Why is testing with duty ammunition important for sight alignment?

Testing with duty or carry ammunition is crucial because factors like barrel length, sight height, and ammunition choice significantly influence Point of Aim (POA) versus Point of Impact (POI). Using only range ammo can give a false impression of accuracy.

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