How to Re-assemble a Boxlock | British Side-by-Side Shotguns | MidwayUSA

Published on March 26, 2014
Duration: 40:25

This video provides a detailed, step-by-step guide to re-assembling a British boxlock side-by-side shotgun, specifically an AYA model, led by gunsmith Jack Rowe. Key stages include installing mainsprings, hammers, cocking levers, sear springs, the safety mechanism, and the trigger plate assembly. The process emphasizes careful alignment of parts, proper lubrication, and the use of specialized tools for tasks like compressing springs and aligning pins. Finally, the action is fitted to the stock, the forend and ejector mechanism are assembled, and a thorough function check ensures the firearm is safe and operational.

Quick Summary

Re-assembling a British boxlock shotgun involves installing mainsprings and hammers first, followed by cocking levers, safety mechanisms, and the trigger plate assembly. Proper lubrication and alignment of parts like hammer pins are crucial. A final function check ensures the firearm is safe and operational.

Chapters

  1. 00:00Introduction to Boxlock Re-assembly
  2. 00:27Installing Mainsprings and Hammers
  3. 02:59Aligning Hammer Pins
  4. 06:26Cocking Levers and Sear Springs
  5. 09:29Lever Work and Underbolt Assembly
  6. 12:49Safety Mechanism and Sears
  7. 13:49Trigger Plate and Furniture Assembly
  8. 18:13Joining Action to Stock
  9. 19:34Forend and Ejector Mechanism
  10. 21:14Final Assembly and Function Check

Frequently Asked Questions

What are the first steps in re-assembling a British boxlock shotgun?

The re-assembly begins with the receiver components. After placing the action in a vise, the side-specific mainsprings are installed first, followed by the hammers which include integral firing pins and slides for the ejector mechanism. Lubrication is applied to all moving parts.

How are hammer pins properly installed in a boxlock shotgun?

Hammer pins, often marked to indicate their position (e.g., #2), are installed using a wooden tool to press the hammers into place. A slave pin is used to align the holes before driving the permanent pins home, ensuring correct alignment.

What is the correct procedure for installing sear springs and sears?

Sear springs are held by small screws that are initially left loose. The sears are then slid into position under the springs. Once aligned with their pins, the sear spring screws are fully tightened.

Why is a function check important after re-assembling a shotgun?

A thorough function check is critical to ensure the shotgun is safe and operational. It verifies that the triggers, safety mechanism, and ejector timing are all working correctly after the re-assembly process.

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