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

Published on March 28, 2014
Duration: 37:58

This comprehensive guide details the advanced disassembly of a sidelock side-by-side shotgun, specifically an AYA model, with comparisons to L.C. Smith designs. Expert English-trained gunsmith Jack Rowe demonstrates specialized techniques and tools, emphasizing the intricate mechanisms like intercepting sears and Southgate ejectors. The process requires precision and specialized equipment for safe and effective breakdown.

Quick Summary

Disassembling a sidelock shotgun requires specialized knowledge and tools. Key steps include removing lock plate pins, guard screws, and various internal components like the mainspring, hammer, and sears. Safety features like intercepting sears and automatic safety pins are critical. Spanish sidelocks often mark right-side pins, unlike English ones which mark the left.

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 safety features of a sidelock shotgun action?

Sidelock shotguns often incorporate safety features like intercepting sears, which prevent accidental firing if the gun is dropped, and automatic safety pins. These mechanisms require careful handling during disassembly and reassembly to maintain their functionality.

How do you differentiate between Spanish and English sidelock shotgun pin markings?

Spanish, Italian, Belgian, and German firearm makers typically mark the right-hand side cocking lever pins. In contrast, English gunsmiths traditionally mark the left-hand side pins on their sidelock actions.

What specialized tools are needed for sidelock shotgun disassembly?

Advanced sidelock disassembly requires specialized tools such as a mainspring cramp for safely compressing and removing the mainspring, a brace and bit with a specific striker disk bit for removing firing pin components, and various drifts and punches.

What is a Southgate-type ejector system?

The Southgate type ejector system is a specific design used in shotguns, particularly side-by-side models, that automatically ejects spent cartridges when the action is opened. It is part of the complex mechanism found in many traditional sidelock firearms.

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