Husqvarna M46 Cracked Tang Repair and Headspace Anomaly

Published on September 21, 2018
Duration: 24:11

This guide details the process of repairing a cracked tang on a Husqvarna M46 rifle stock and investigating a headspace anomaly. It covers using Brownells Cerrosafe for chamber casting to confirm the rifle's caliber and diagnose headspace issues, followed by reinforcing the stock tang with Brownells Acraglas. The instruction is delivered with high authority, demonstrating professional gunsmithing skills and historical knowledge of the firearm.

Quick Summary

Diagnose rifle headspace issues using a chamber cast with Brownells Cerrosafe, a low-melting-point alloy. This technique provides precise measurements of the chamber and throat, confirming caliber and identifying excessive headspace, which can lead to dangerous case stretching. Stock tang cracks are repaired using epoxy bedding like Acraglas with wood shavings for reinforcement.

Chapters

  1. 00:00Introduction and Project Overview
  2. 02:10Headspace Anomaly Investigation
  3. 05:01Chamber Casting with Cerrosafe
  4. 06:57Chamber Cast Analysis
  5. 09:41Cracked Tang Stock Repair
  6. 11:10Glass Bedding and Reinforcement
  7. 13:37Final Inspection and Future Steps

Frequently Asked Questions

How can you diagnose headspace issues on a rifle like the Husqvarna M46?

Headspace issues can be diagnosed using a headspace gauge, or more precisely, by performing a chamber cast with a low-melting-point alloy like Brownells Cerrosafe. This provides an exact impression of the chamber dimensions.

What is the purpose of a chamber cast using Cerrosafe?

A chamber cast using Cerrosafe creates a precise replica of the firearm's chamber and throat. This allows for accurate measurement of headspace and confirmation of the correct cartridge caliber, especially when markings are unclear or suspect.

How is a cracked rifle stock tang typically repaired?

A cracked tang is often repaired by carefully removing wood around the damaged area to create space for reinforcement. Epoxy bedding compounds like Brownells Acraglas are then applied, often mixed with wood shavings for color matching, to create a strong bond.

What are the risks of excessive headspace in a firearm?

Excessive headspace can lead to the cartridge case stretching excessively upon firing, potentially causing case head separation. This is a dangerous condition that can damage the firearm and cause injury to the shooter.

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