วิธีลดน้ำหนักไกปืน CZ457

Published on May 24, 2023
Duration: 6:15

This guide details how to reduce the trigger pull weight on a CZ 457 rifle. It involves disassembling the stock and magazine well, then adjusting two screws within the trigger mechanism. The process focuses on setting the trigger pull distance and then fine-tuning the weight by adjusting an internal screw, with a warning to avoid over-loosening to prevent accidental discharge. For lighter triggers than achievable through adjustment, spring replacement is recommended.

Quick Summary

To reduce the trigger pull weight on a CZ 457, you'll need to adjust an internal hex screw. After loosening the external nut, turn the internal screw counter-clockwise. For the lightest setting, back it out until only a few threads remain engaged, but be cautious not to over-loosen it to maintain safety.

Chapters

  1. 00:00Introduction to CZ 457 Trigger Adjustment
  2. 00:32Disassembling the Stock and Magazine Well
  3. 01:05Identifying Trigger Components
  4. 01:39Understanding Trigger Adjustment Factors
  5. 01:52Checking Original Trigger Weight
  6. 02:02Adjusting Trigger Pull Distance (Clockwise)
  7. 02:36Adjusting Trigger Pull Distance (Counter-Clockwise)
  8. 03:04Testing Trigger Pull Distance
  9. 03:15Preparing for Trigger Weight Adjustment
  10. 03:28Loosening External Trigger Nut
  11. 03:45Adjusting Internal Trigger Screw (Weight)
  12. 04:02Testing Lightest Trigger Setting
  13. 04:16Understanding Trigger Weight Mechanics
  14. 04:30Fine-Tuning Trigger Weight for Lighter Pull
  15. 04:50Finalizing Internal Screw Adjustment
  16. 04:55Reassembling Trigger Components
  17. 05:05Locking the Trigger Adjustment
  18. 05:18Final Trigger Test
  19. 05:33Conclusion and Comparison to Other Models

Frequently Asked Questions

How can I make the trigger pull lighter on my CZ 457?

To lighten the trigger pull on a CZ 457, you'll need to adjust the internal hex screw. After loosening the external nut, turn the internal screw counter-clockwise. For the lightest setting, back it out until only a few threads remain engaged, but be cautious not to over-loosen it.

What tools are needed to adjust the CZ 457 trigger?

Adjusting the CZ 457 trigger requires a set of hex wrenches, specifically 1.5mm for trigger pull distance and 2mm for trigger weight. You'll also need a 4mm hex wrench for the magazine well and a size 7 wrench for the external locking nut.

Can I adjust the trigger on a CZ 452 or CZ 455 like a CZ 457?

No, the adjustment method for the CZ 457 is different. Older models like the CZ 452 or CZ 455 typically require replacing the trigger spring to reduce trigger weight, as they do not have the same adjustable screw mechanism as the CZ 457.

What is the safest way to adjust the CZ 457 trigger weight?

Always ensure the firearm is unloaded before starting. After adjusting the internal screw, re-cock and dry fire to test. Avoid backing the screw out too far, as this can lead to an unsafe trigger that may discharge unintentionally from recoil or impact.

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