How to Replace The Sights On A Smith & Wesson M&P Pistol (HD)

Published on January 27, 2014
Duration: 6:02

This guide details replacing sights on a Smith & Wesson M&P pistol, using an M&P Shield 40 as an example. It covers removing the rear sight by first loosening a set screw and drifting it out, then cleaning the dovetail. The new sight is installed similarly, ensuring it's centered with calipers and secured with blue Loctite. Front sight replacement follows a comparable process of removal, cleaning, and precise centering before installation.

Quick Summary

To replace sights on a Smith & Wesson M&P pistol, secure the slide in a padded vice, remove the rear sight's set screw, and drift it out. Clean the dovetail thoroughly before installing the new sight, centering it with calipers and securing the set screw with blue Loctite. Repeat a similar process for the front sight.

Chapters

  1. 00:00Introduction: Installing Aftermarket Sights
  2. 00:23Removing the Rear Sight
  3. 01:54Cleaning the Dovetail
  4. 02:05Installing the New Rear Sight
  5. 03:55Replacing the Front Sight
  6. 05:19Conclusion & Tips

Frequently Asked Questions

What tools are needed to replace sights on a Smith & Wesson M&P pistol?

You'll need a bench vice with protective padding, a punch set for drifting sights, a Q-tip for cleaning, calipers for centering, and blue Loctite 242 for securing the rear sight set screw. Ensure you have the correct aftermarket sights for your specific M&P model.

How do you remove the rear sight on an S&W M&P pistol?

First, remove the set screw on the rear sight. Secure the slide in a vice with padding. Use a punch to carefully drift the sight out of the dovetail, being cautious of the firing pin safety plate and spring underneath.

What is the importance of cleaning the dovetail before installing new sights?

Cleaning the dovetail thoroughly with a Q-tip removes any grit, grime, or factory grease. This ensures a clean, precise fit for the new aftermarket sight, preventing potential damage during installation and ensuring proper alignment.

How do you ensure the new sights are properly aligned on an M&P pistol?

After installing the new sights, use sliding calipers to precisely measure and center both the front and rear sights within their respective dovetails. This step is critical for accurate point of aim and point of impact.

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