TRUGLO: Day or Night - They stay bright!

Published on March 20, 2014
Duration: 7:56

This guide details the installation of TRUGLO Brite-Site TFO sights, emphasizing the critical difference in screw length required for Gen 4 Glocks. The video, presented by Justin Opinion, highlights a common installation pitfall where the front sight remains loose due to using the incorrect screw. It provides precise measurements and visual demonstrations for a secure fit, ensuring reliable performance in all lighting conditions.

Quick Summary

TRUGLO Brite-Site TFO sights offer 24/7 visibility using a combination of tritium and fiber optics, eliminating the need for batteries. For Gen 4 Glocks, it's critical to use the shorter 0.080" front sight screw due to thinner slide metal, preventing loose fitment issues common with the longer 0.095" screw.

Chapters

  1. 00:00Introduction to TRUGLO TFO Sights
  2. 00:28Glock 41 Front Sight Installation Issue
  3. 01:22Gen 4 Glock Slide Thickness Explained
  4. 02:15Front Sight Screw Lengths Measured
  5. 04:30Tritium vs. Fiber Optic vs. TFO Technology
  6. 04:59Daylight Performance and Range Testing
  7. 06:46Low Light Comparison

Frequently Asked Questions

What is the main installation challenge with TRUGLO TFO sights on Gen 4 Glocks?

Gen 4 Glocks require a shorter front sight screw (0.080") due to thinner slide metal. Using the standard 0.095" screw can lead to a loose fitment issue, as demonstrated by Justin Opinion in this technical guide.

How do TRUGLO Brite-Site TFO sights work in different lighting conditions?

These sights utilize a patented combination of passive tritium for low-light visibility and fiber optics to gather ambient light during the day. This dual technology ensures the sights are bright and visible 24/7 without needing batteries.

What tools are needed to install TRUGLO TFO sights on a Glock?

Installation typically requires a small screwdriver compatible with the front sight screw. Precision measuring tools like digital calipers are useful for verifying screw lengths, as shown in the video.

Why is the screw length important for Glock front sight installation?

The slide's construction varies between Glock generations. Gen 4 slides have thinner metal at the front, making the correct screw length crucial. Using a screw that's too long can prevent proper engagement and result in a loose sight.

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