Brownells - Jack Rowe, Master Gunsmith Series, Styles of Side Locks. Part 2

Published on November 1, 2010
Duration: 9:07

This video delves into the intricacies of side lock mechanisms, focusing on their construction, repair, and fitting. Jack Rowe, a master gunsmith, explains that side locks are not interchangeable between firearms and require precise fitting. He highlights the complexity of Perazzi locks, particularly their main springs, advising against DIY spring fabrication due to the high risk of failure and wasted effort. Rowe emphasizes sourcing replacement springs from specialized makers for such intricate mechanisms.

Quick Summary

Side locks are not interchangeable between firearms and require precise fitting. Perazzi gun locks feature a large main spring with a claw, blade, and roller. Fabricating replacement springs for Perazzi locks is highly discouraged due to complexity and risk of failure; sourcing from specialists is recommended.

Chapters

  1. 00:11Introduction to Side Locks
  2. 00:19Spanish Side Locks
  3. 00:44Right and Left Side Locks
  4. 00:52Italian Lock Example
  5. 01:06Required Gunsmithing Work
  6. 01:30Lock Interchangeability
  7. 02:03Finished Side Lock Example
  8. 02:17Perazzi Gun Lock Introduction
  9. 02:51Perazzi Lock Main Spring
  10. 03:14Repairing Perazzi Locks
  11. 03:54Sourcing Perazzi Springs
  12. 04:17Perazzi Lock Tool
  13. 04:35Cam Mechanism Explanation
  14. 05:06Cam Compression
  15. 05:19Operating Lock Off-Gun
  16. 05:33Firing Cycle
  17. 06:00Lock Rebounding and Cocking
  18. 06:11Automatic Cocking on Opening
  19. 06:44Perazzi Lock Inventor
  20. 07:06Perazzi Gun Age and Durability
  21. 07:39Comparison to English Locks

Frequently Asked Questions

Are side locks interchangeable between different firearms?

No, side locks are not interchangeable between firearms. Once a side lock is fitted to a specific gun, it cannot be removed and installed in another firearm. The same applies to the individual parts within the lock mechanism itself.

What are the key components of a Perazzi gun lock's main spring?

A Perazzi gun lock's main spring is notably larger than standard ones. It features a claw at the bottom, a blade at the top, and incorporates a small roller fitted internally at the top for its operation.

Is it advisable to make a replacement main spring for a Perazzi lock?

It is strongly advised against attempting to make a replacement main spring for a Perazzi lock. The process is extremely labor-intensive, and even minor errors in hardening can lead to breakage after fitting, rendering all the work wasted. It's best to source from specialists.

How does the Perazzi lock mechanism cock itself?

The Perazzi lock mechanism automatically cocks itself when the gun is opened. This action is facilitated by the powerful main spring, which is compressed when the gun is closed and then releases its energy to reset the lock.

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