How to Disassemble a Sidelock | British Side-by-Side Shotguns | MidwayUSA

Published on March 28, 2014
Duration: 37:58

This video provides a detailed, step-by-step guide to disassembling a Spanish AYA sidelock side-by-side shotgun, presented by gunsmith Jack Rowe. It covers the removal of various pins, the action from the stock, and the internal components of the sidelock mechanism, including cocking levers, springs, and sears. The demonstration highlights key differences in design compared to English sidelocks and emphasizes the importance of careful handling of small parts.

Quick Summary

A Spanish sidelock shotgun's cocking lever pins are typically marked on the right side, unlike English makers who mark them on the left. This detail is important for correct reassembly. Specialized tools like a mainspring vise and striker disk bit are often necessary for safe and effective disassembly.

Chapters

  1. 00:00Introduction to Sidelock Disassembly
  2. 00:35Removing the Sidelocks
  3. 01:33Removing Guard Screws
  4. 02:32Removing the Guard and Hand Pin
  5. 03:11Removing the Breech Pin
  6. 03:46Removing the Trigger Plate Pin
  7. 04:53Separating Action from Stock
  8. 06:16Stripping the Action: Cocking Levers
  9. 08:32Removing the Top Lever Spring
  10. 09:27Safety Spring and Button Disassembly
  11. 10:44Top Lever Work and Spindle
  12. 12:35Top Lever and Underbolt Removal
  13. 13:16Firing Pins and Striker Disks
  14. 15:16Stripping the Sidelock Mechanism
  15. 16:14Hammer and Sear Removal
  16. 19:11Forend Disassembly
  17. 21:11Ejector System and Extractors

Frequently Asked Questions

What are the key differences in pin marking between English and Spanish sidelock shotguns?

Spanish, Italian, Belgian, and German firearm makers typically mark the right-hand side cocking lever pins, whereas English makers usually mark the left-hand side pins. This detail is crucial for correct reassembly.

How do you safely remove a mainspring from a sidelock action?

A specialized mainspring vise, also known as a 'cramp,' is essential for safely removing the mainspring. This tool controls the spring's tension, preventing uncontrolled release and potential injury or damage.

What is the purpose of an intercepting sear in a sidelock mechanism?

An intercepting sear acts as a safety feature. It prevents the hammer from striking the firing pin if the shotgun is accidentally dropped, thus avoiding unintended discharge.

What specialized tools are needed for removing striker disks?

Removing striker disks often requires a brace and a specialized two-pronged bit. These disks can expand and become very difficult to extract due to use and heat.

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