HOW TO INSTAL THE CZ FLYWEIGHT TRIGGER?

Published on April 10, 2026
Duration: 7:13

This guide details the installation of the CZ Flyweight trigger mechanism and the replacement of the firing pin on a CZ 457 action. The process involves removing the original trigger and firing pin using specific tools like Allen keys and Torx drivers, then installing the new components. The flyweight firing pin is identifiable by a distinct slot on its front.

Quick Summary

To install the CZ Flyweight trigger on a CZ 457, you'll need a small flathead screwdriver, a 2mm Allen key, and a Torx T-25 driver. The process involves removing the old trigger and firing pin, then installing the new components, ensuring the flyweight firing pin (identified by a front slot) is correctly seated.

Chapters

  1. 00:05Introduction to CZ Flyweight Trigger
  2. 00:14Mounting the Flyweight Trigger Kit on CZ 457
  3. 00:36Tools Required for Installation
  4. 00:50Identifying the Flyweight Firing Pin
  5. 01:15Removing the Old Trigger
  6. 02:17Installing the New Flyweight Trigger
  7. 03:33Replacing the Firing Pin
  8. 04:43Removing the Extractor Ring
  9. 05:03Comparing Firing Pins
  10. 05:22Installing the New Firing Pin
  11. 06:11Reassembling the Bolt
  12. 06:42Conclusion: Flyweight Trigger Benefits

Frequently Asked Questions

What tools are needed to install the CZ Flyweight trigger kit on a CZ 457?

You will need a small flathead screwdriver for pins, a 2mm Allen key for securing pins, and a Torx T-25 driver for the main trigger screw. These tools allow for precise removal and installation of the trigger components.

How can I identify the CZ Flyweight firing pin?

The CZ Flyweight firing pin is easily identified by a small, distinct slot located on its front end. The standard firing pin for the CZ 457 does not have this slot, making the upgrade easily distinguishable.

What is the first step in removing the old trigger from a CZ 457 action?

The initial step is to remove the pin holding the old trigger in place using a small flathead screwdriver. It's crucial to be careful not to lose this pin during the disassembly process.

Can the trigger bar fall out during CZ 457 trigger installation, and is it easy to fix?

Yes, the trigger bar can fall out when the retaining pin is removed. This is a normal occurrence and is easily rectified by simply reinserting the trigger bar and its pin back into place during the installation of the new trigger.

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