Brownells - Jack Rowe, Master Gunsmith Series, Strip and Clean Box Lock. Part 4 of 5.

Published on December 2, 2010
Duration: 9:04

This video provides an advanced guide to reassembling a box lock action, detailing the precise installation of components like cocking levers, sears, springs, and the crossbolt. It emphasizes correct orientation and the use of specialized tools for managing compressed springs, crucial for a successful and safe reassembly. The instruction is delivered with the authority of a master gunsmith.

Quick Summary

Reassembling a box lock action requires careful installation of components like cocking levers, sears, springs, and the crossbolt. Specialized tools can aid in compressing difficult springs, and ensuring correct orientation of parts like the tumbler and crossbolt is critical for proper function.

Chapters

  1. 01:09Installing Cocking Levers
  2. 01:46Sealer Springs and Pins
  3. 02:23Installing the Crossbolt
  4. 03:16Inserting the Tumbler
  5. 03:44Securing the Tumbler Pin
  6. 04:25Lever Spring Installation
  7. 06:17Installing the Safety
  8. 07:04Installing the Sears

Frequently Asked Questions

What are the key components involved in reassembling a box lock action?

Reassembling a box lock action involves precise installation of cocking levers, sear springs and pins, the crossbolt, tumbler, tumbler pin, lever spring, safety mechanism, and the sears themselves. Each component has a specific orientation and fit.

How can I safely install a compressed lever spring during firearm reassembly?

Installing a compressed lever spring can be challenging. It's recommended to use a specialized tool or a strip of metal with a slot to compress and guide the spring into place, preventing it from slipping and potentially causing injury or loss.

Are there any parts in a box lock action that are not interchangeable?

Yes, several parts are not interchangeable. Cocking levers are side-specific, and the tumbler has a single correct orientation for installation. The pin securing the tumbler to the bolt is also unique.

What is the role of the sear spring in a box lock action?

The sear spring provides the necessary tension for the sear to engage and hold the hammer or striker. It fits into a small slot on the side of the sear itself, ensuring proper function within the trigger mechanism.

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