Wyoming Gun Project & I Discuss His Findings Regarding the P320!

Published on July 29, 2025
Duration: 123:17

This video details a method for replicating 'sear perching' in a SIG P320 to investigate potential safety concerns. The technique involves applying controlled pressure to the trigger past the initial take-up and then manipulating the slide to see if the striker can be released. The discussion emphasizes the importance of using inert ammunition for such tests and explores various factors contributing to potential firearm malfunctions, including manufacturing tolerances and maintenance.

Quick Summary

Sear perching in a SIG P320 is a condition where the sear doesn't fully engage the striker, potentially leading to a 'hair trigger' effect. Testing involves applying controlled trigger pressure and manipulating the slide, using only inert ammunition for safety. Not all P320s exhibit this issue, suggesting it's linked to manufacturing tolerances or wear.

Frequently Asked Questions

What is 'sear perching' in a SIG P320?

Sear perching, also known as striker perch, is a condition where the sear does not fully engage the striker, potentially engaging only on the edge. This can lead to reduced engagement and a 'hair trigger' effect, as indicated by FBI reports showing uneven wear on the sear and striker hook.

How can one test for potential P320 safety issues like sear perching?

Testing involves carefully applying controlled pressure to the trigger past the slack until sear resistance is felt, then applying a measured input and gently manipulating the slide to check for striker release. It is crucial to use only primed cases or dummy rounds for safety.

Does every SIG P320 have the potential for sear perching?

Based on the speaker's experience, not all P320s exhibit this issue. Out of three firearms owned, only one showed the described problem, suggesting it may be related to manufacturing tolerances, wear, or specific circumstances rather than a universal defect.

What role do worn sear springs play in firearm safety?

Worn sear springs can prevent the sear from fully engaging the striker, compromising proper engagement. This lack of maintenance can make almost any firearm dangerous, potentially leading to unintended striker release under certain conditions.

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