How to Install a Rear Sight Blade on a Smith and Wesson Revolver | Smith & Wesson Revolver Project

Published on July 22, 2013
Duration: 2:26

This guide details the process of replacing a rear sight blade on a Smith & Wesson revolver, specifically a Model 15. It covers assessing damage, selecting replacement blades of various heights (.126", .146", .160"), and the disassembly and reassembly steps. Key techniques include using a spanner bit to remove the windage nut and a center punch to stake the new screw, ensuring a secure installation for improved sight picture.

Quick Summary

To replace a Smith & Wesson revolver rear sight blade, remove the windage screw and nut using a spanner bit. Then, install the new blade onto a new windage screw, reinsert the spring and plunger, and secure the nut by staking it with a center punch and hammer.

Chapters

  1. 00:00Introduction: Replacing Rear Sight Blade
  2. 00:17Assessment and Parts Selection
  3. 00:36Disassembly: Removing Windage Screw
  4. 01:06Removing the Old Blade with Spanner Bit
  5. 01:20Installation of New Blade and Screw
  6. 01:46Securing the Assembly: Staking the Nut
  7. 02:06Final Testing and Sight Picture

Frequently Asked Questions

What tools are needed to replace a Smith & Wesson revolver rear sight blade?

You will need a specialized spanner bit tool to remove the windage nut, a scribe to depress the sight plunger, a center punch and hammer to stake the new nut, and potentially a bench block for support during staking.

How do you remove the old rear sight blade from a Smith & Wesson revolver?

First, remove the windage screw. Then, align the sight plunger with its slot, depress it, and remove the screw head. Use a spanner bit tool to turn the windage nut counter-clockwise, allowing the blade to slide out.

What are the available heights for replacement S&W rear sight blades?

Replacement rear sight blades for Smith & Wesson revolvers typically come in three standard heights: .126 inches, .146 inches, and .160 inches. Choosing the correct height is crucial for proper sight alignment.

How is the new rear sight blade assembly secured on a Smith & Wesson revolver?

After installing the new blade and windage screw, thread the windage nut until seated, then back it off a quarter turn. Support the sight on a bench block and use a center punch to stake the nut onto the screw, ensuring it won't loosen.

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