You installed your red dot wrong.... #reddot #holosun #torque #loctite #shortshottony #9mm

Published on February 5, 2025
Duration: 0:51

Proper installation of red dot sights is crucial to prevent them from coming loose. This involves cleaning the mounting surface and screw holes, applying blue Loctite to the screws, hand-tightening, and then torquing to 15-17 inch-pounds using a torque driver. Witness marks should be applied to screws, and the Loctite allowed to cure for 24 hours before range use.

Quick Summary

Properly install your red dot sight by cleaning the mounting area, applying blue Loctite to screws, hand-tightening, then torquing to 15-17 inch-pounds. Add witness marks and let the Loctite cure for 24 hours before shooting.

Chapters

  1. 00:00Intro: Red Dot Installation Issues
  2. 00:11The Loctite Mistake
  3. 00:15Step 1: Preparation & Cleaning
  4. 00:19Step 2: Mounting the Optic
  5. 00:21Step 3: Applying Blue Loctite
  6. 00:25Step 4: Initial Screw Tightening
  7. 00:31Step 5: Torquing to Spec (15-17 in-lbs)
  8. 00:41Step 6: Witness Marks
  9. 00:46Final Step: Curing Time

Frequently Asked Questions

What is the correct torque spec for installing a Holosun HS407K X2 red dot sight?

The recommended torque specification for the Holosun HS407K X2 is between 15 and 17 inch-pounds (in-lbs). It's crucial to use a calibrated torque driver to achieve this precise setting and avoid damaging the optic or firearm.

What type of Loctite should be used for red dot sight installation?

You should use blue Loctite (like Loctite 242) for installing red dot sights. Avoid red Loctite, as it is a permanent adhesive that can make future removal extremely difficult and potentially damage components.

Why are witness marks important when installing a red dot sight?

Witness marks, typically made with a marker on the screw heads and optic body, serve as visual indicators. They allow you to quickly check if the screws have loosened after firing, ensuring the optic remains securely mounted.

How long should Loctite cure before using a firearm with an installed red dot?

It is recommended to allow the blue Loctite to fully cure for at least 24 hours before taking your firearm to the range. This ensures the thread locker has reached its maximum strength for a secure bond.

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